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Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG700512253

Certificate IGI LG700512253

Diamond specifications and retailer prices

From $1,294 USD
Save $9,966 USD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $11,260 USD at Brilliant Earth
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 27 retailers, with prices from $1,294 to $11,260 at Brilliant Earth, a $9,966 spread on the same certified stone. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512253
Dimensions7.35 × 7.35 × 10.48 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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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $11,260 USD|Low: $1,065 USD|High: $12,350 USD|Avg: $3,963 USD|-8.8%
Brilliant Earth
Retailer 2
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Retailer 22
October 1, 2026
Retailer 13$1,448 USD
Retailer 18$1,675 USD
Retailer 5$1,733 USD
Retailer 9$1,822 USD
Retailer 17$1,830 USD
Retailer 19$2,165 USD
Retailer 6$2,360 USD
Retailer 20$2,797 USD
Retailer 8$3,074 USD
Retailer 22$3,392 USD
Retailer 15$3,508 USD
Retailer 7$3,627 USD
Retailer 14$3,900 USD
Retailer 12$4,631 USD
Retailer 10$4,683 USD
Retailer 21$4,879 USD
Retailer 2$5,101 USD
Retailer 11$5,298 USD
Retailer 4$5,644 USD
Retailer 3$5,815 USD
Retailer 16$6,914 USD
Brilliant Earth$11,260 USD

41 data points across 22 retailers

27 retailers$1,294 USD to $11,260 USD

A
Cheapest Retailer
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$1,294 USD
A
Retailer 2
-
$1,407 USD
View
A
Retailer 3
-
$1,448 USD
View
A
Retailer 4
-
$1,480 USD
View
A
Retailer 5
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$1,675 USD
View
A
Retailer 6
-
$1,733 USD
View
A
Retailer 7
-
$1,822 USD
View
A
Retailer 8
-
$1,830 USD
HK$14,300 HKD
View
A
Retailer 9
-
$2,170 USD
£1,709 GBP
View
A
Retailer 10
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$2,192 USD
£1,726 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
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$2,360 USD
€2,248 EUR
View
A
Retailer 12
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$2,797 USD
View
A
Retailer 13
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$2,812 USD
View
A
Retailer 14
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$3,074 USD
View
A
Retailer 15
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$3,392 USD
A$5,219 AUD
View
A
Retailer 16
-
$3,508 USD
ZAR 56,671 ZAR
View
Price last confirmed 9 days ago
A
Retailer 17
-
$3,627 USD
£2,856 GBP
View
A
Retailer 18
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$3,900 USD
View
B+
Retailer 19
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$4,631 USD
View
B+
Retailer 20
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$4,683 USD
View
B+
Retailer 21
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$4,879 USD
£3,842 GBP
View
B+
Retailer 22
-
$5,101 USD
View
B+
Retailer 23
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$5,298 USD
SGD 7,160 SGD
View
B+
Retailer 24
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$5,759 USD
View
B+
Retailer 25
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$5,815 USD
View
B+
Retailer 26
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$6,914 USD
A$10,637 AUD
View
Most Expensive
B
Brilliant Earth
14847302A · Oct 1
$11,260 USD
View
26 more retailers have this diamond
Prices start from $1,294 USDSave up to $9,966 USD

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.

A
3.11ct Radiant
$1,294 USD