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Radiant|Lab Grown|IGI

3.13ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG764669237

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

Certificate IGI LG764669237

Diamond specifications and retailer prices

From $1,678 AUD
$1,179 USD
As of October 30, 2026
Save $10,508 AUD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,186 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.13ct lab-grown radiant diamond

This 3.13ct 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 LG764669237 or 764669237. Listed at 23 retailers as of October 30, 2026, with prices from $1,678 to $12,186, a $10,508 spread on the same certified stone. Brilliant Earth lists it at $12,186. 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

3.13
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764669237
Dimensions10.50 × 7.34 × 4.84 mm
L/W Ratio1.43
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
10.50 mm7.34 mm3.13 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764669237
Side View
Table 63.0%Crown 45.6°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $12,186 AUD|Low: $1,678 AUD|High: $17,183 AUD|Avg: $4,784 AUD|-29.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 3$1,678 AUD
Retailer 22$1,826 AUD
Retailer 11$1,879 AUD
Retailer 5$1,946 AUD
Retailer 21$2,192 AUD
Retailer 8$2,414 AUD
Retailer 2$2,824 AUD
Retailer 12$3,091 AUD
Retailer 17$3,102 AUD
Retailer 20$3,536 AUD
Retailer 6$3,649 AUD
Retailer 9$4,369 AUD
Retailer 13$4,396 AUD
Retailer 18$4,520 AUD
Retailer 7$4,708 AUD
Retailer 4$5,586 AUD
Retailer 19$6,288 AUD
Retailer 14$6,516 AUD
Retailer 10$6,818 AUD
Retailer 15$8,321 AUD
Retailer 16$9,812 AUD
Brilliant Earth$12,186 AUD

39 data points across 22 retailers

23 retailers$1,678 AUD to $12,186 AUD

A
Cheapest Retailer
-
$1,678 AUD
$1,179 USD
A
Retailer 2
-
$1,826 AUD
$1,283 USD
View
A
Retailer 3
-
$1,879 AUD
$1,320 USD
View
Final sale: no returns
A
Retailer 4
-
$1,946 AUD
$1,367 USD
View
A
Retailer 5
-
$2,192 AUD
$1,540 USD
View
A
Retailer 6
-
$2,414 AUD
$1,696 USD
View
A
Retailer 7
-
$2,824 AUD
£1,562 GBP
View
A
Retailer 8
-
$3,091 AUD
$2,171 USD
View
A
Retailer 9
-
$3,102 AUD
€2,075 EUR
View
A
Retailer 10
-
$3,536 AUD
$2,484 USD
View
A
Retailer 11
-
$3,649 AUD
$2,563 USD
View
A
Retailer 12
-
$4,369 AUD
$3,069 USD
View
A
Retailer 13
-
$4,396 AUD
View
A
Retailer 14
-
$4,520 AUD
ZAR 51,294 ZAR
View
B+
Retailer 15
-
$4,708 AUD
£2,604 GBP
View
B+
Retailer 16
-
$5,387 AUD
$3,784 USD
View
B+
Retailer 17
-
$5,586 AUD
$3,924 USD
View
B+
Retailer 18
-
$6,288 AUD
£3,478 GBP
View
B+
Retailer 19
-
$6,516 AUD
SGD 6,185 SGD
View
B+
Retailer 20
-
$6,818 AUD
$4,789 USD
View
Retailer 21
-
$8,321 AUD
$5,845 USD
View
Price last confirmed 27 days ago
B
Retailer 22
-
$9,812 AUD
View
Most Expensive
B
Brilliant Earth
17448067A · Oct 31
$12,186 AUD
$8,560 USD
View
22 more retailers have this diamond
Prices start from $1,678 AUDSave up to $10,508 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
3.13ct Radiant
$1,678 AUD