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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG768631131

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

Certificate IGI LG768631131

Diamond specifications and retailer prices

From $1,865 SGD
$1,459 USD
As of October 30, 2026
Save $10,740 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,605 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.15ct lab-grown radiant diamond

This 3.15ct 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 LG768631131 or 768631131. Listed at 11 retailers as of October 30, 2026, with prices from $1,865 to $12,605, a $10,740 spread on the same certified stone. Do Amore Diamonds lists it at $12,605. 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

3.15
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631131
Dimensions10.44 × 7.15 × 4.75 mm
L/W Ratio1.46
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
10.44 mm7.15 mm3.15 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631131
Side View
Table 59.0%Crown 40°Girdle: STK-THKPavilion 32.4°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,605 SGD|Low: $1,624 SGD|High: $15,878 SGD|Avg: $5,612 SGD|-6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 6$1,624 SGD
Retailer 7$1,772 SGD
Retailer 10$1,865 SGD
Retailer 2$1,911 SGD
Retailer 15$2,704 SGD
Retailer 16$3,048 SGD
Retailer 12$3,103 SGD
Retailer 9$3,342 SGD
Retailer 4$4,318 SGD
Retailer 14$4,650 SGD
Retailer 13$5,872 SGD
Retailer 8$6,788 SGD
Retailer 5$6,986 SGD
Retailer 3$9,406 SGD
Retailer 11$11,787 SGD
Do Amore Diamonds$12,605 SGD

18 data points across 16 retailers

11 retailers$1,865 SGD to $12,605 SGD

A
Cheapest Retailer
-
$1,865 SGD
$1,459 USD
A
Retailer 2
-
$1,911 SGD
$1,495 USD
View
A
Retailer 3
-
$2,704 SGD
$2,115 USD
View
Retailer 4
-
$3,048 SGD
€2,271 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,103 SGD
$2,427 USD
View
A
Retailer 6
-
$3,342 SGD
$2,614 USD
View
B+
Retailer 7
-
$4,650 SGD
$3,637 USD
View
B+
Retailer 8
-
$5,872 SGD
£3,617 GBP
View
Retailer 9
-
$9,406 SGD
A$11,319 AUD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$11,787 SGD
$9,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-D4C13AA8D · Oct 31
$12,605 SGD
$9,860 USD
View
10 more retailers have this diamond
Prices start from $1,865 SGDSave up to $10,740 SGD

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
3.15ct Radiant
$1,865 SGD