Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG700512253

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG700512253

Diamond specifications and retailer prices

From $1,583 AUD
$1,112 USD
As of October 30, 2026
Save $9,991 AUD (86%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $11,574 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700512253 or 700512253. Listed at 31 retailers as of October 30, 2026, with prices from $1,583 to $11,574, a $9,991 spread on the same certified stone. Brilliant Earth lists it at $11,574. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.11
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512253
Dimensions7.35 × 7.35 × 4.76 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.35 mm7.35 mm3.11 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700512253
Side View
Table 63.0%Crown 39.3°Girdle: MED-STKPavilion 33°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $11,574 AUD|Low: $1,583 AUD|High: $11,944 AUD|Avg: $4,977 AUD|-3.1%
Brilliant Earth
Retailer 2
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Retailer 19
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Retailer 23
November 1, 2026
Retailer 5$1,583 AUD
Retailer 21$1,772 AUD
Retailer 14$2,185 AUD
Retailer 3$2,205 AUD
Retailer 7$2,241 AUD
Retailer 17$2,662 AUD
Retailer 13$2,762 AUD
Retailer 20$2,936 AUD
Retailer 18$3,442 AUD
Retailer 23$3,726 AUD
Retailer 19$4,148 AUD
Retailer 12$4,265 AUD
Retailer 22$4,289 AUD
Retailer 11$5,077 AUD
Retailer 4$5,319 AUD
Retailer 16$5,377 AUD
Retailer 6$5,844 AUD
Retailer 2$5,901 AUD
Retailer 10$6,423 AUD
Retailer 8$6,466 AUD
Retailer 9$6,991 AUD
Retailer 15$9,894 AUD
Brilliant Earth$11,574 AUD

31 data points across 23 retailers

31 retailers$1,583 AUD to $11,574 AUD

A
Cheapest Retailer
-
$1,583 AUD
$1,112 USD
A
Retailer 2
-
$1,772 AUD
$1,245 USD
View
Final sale: no returns
Retailer 3
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$1,785 AUD
$1,254 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$1,842 AUD
$1,294 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$2,003 AUD
$1,407 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$2,070 AUD
$1,454 USD
View
Price last confirmed 29 days ago
Retailer 7
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$2,107 AUD
$1,480 USD
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Price last confirmed 35 days ago
A
Retailer 8
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$2,185 AUD
$1,535 USD
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A
Retailer 9
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$2,205 AUD
$1,549 USD
View
A
Retailer 10
-
$2,241 AUD
HK$12,300 HKD
View
A
Retailer 11
-
$2,662 AUD
£1,473 GBP
View
A
Retailer 12
-
$2,762 AUD
$1,940 USD
View
A
Retailer 13
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$2,936 AUD
€1,964 EUR
View
A
Retailer 14
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$3,442 AUD
$2,418 USD
View
A
Retailer 15
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$3,726 AUD
$2,617 USD
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Retailer 16
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$3,881 AUD
$2,726 USD
View
Price last confirmed 22 days ago
Retailer 17
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$4,003 AUD
$2,812 USD
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Price last confirmed 32 days ago
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Retailer 18
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$4,148 AUD
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A
Retailer 19
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$4,265 AUD
ZAR 48,401 ZAR
View
A
Retailer 20
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$4,289 AUD
$3,013 USD
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B+
Retailer 21
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$5,077 AUD
£2,808 GBP
View
B+
Retailer 22
-
$5,319 AUD
$3,736 USD
View
B+
Retailer 23
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$5,377 AUD
$3,777 USD
View
B+
Retailer 24
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$5,844 AUD
$4,105 USD
View
B+
Retailer 25
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$5,901 AUD
£3,264 GBP
View
B+
Retailer 26
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$6,423 AUD
$4,512 USD
View
B+
Retailer 27
-
$6,466 AUD
SGD 6,138 SGD
View
B+
Retailer 28
-
$6,991 AUD
$4,911 USD
View
Retailer 29
-
$8,278 AUD
$5,815 USD
View
Price last confirmed 34 days ago
Retailer 30
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$9,894 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
14847302A · Oct 31
$11,574 AUD
$8,130 USD
View
30 more retailers have this diamond
Prices start from $1,583 AUDSave up to $9,991 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.11ct Radiant
$1,583 AUD