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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG745508340

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

Certificate IGI LG745508340

Diamond specifications and retailer prices

From $1,244 SGD
$973 USD
As of October 30, 2026
Save $9,801 SGD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,045 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 LG745508340 or 745508340. Listed at 14 retailers as of October 30, 2026, with prices from $1,244 to $11,045, a $9,801 spread on the same certified stone. Do Amore Diamonds lists it at $11,045. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745508340
Dimensions9.88 × 7.20 × 4.98 mm
L/W Ratio1.37
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
9.88 mm7.20 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745508340
Side View
Table 62.0%Crown 42.5°Girdle: STK-THKPavilion 35.3°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
A+
Exceptional
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: $11,045 SGD|Low: $1,244 SGD|High: $12,707 SGD|Avg: $4,600 SGD|-13.1%
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
October 31, 2026
Retailer 9$1,244 SGD
Retailer 12$1,383 SGD
Retailer 6$1,745 SGD
Retailer 8$1,811 SGD
Retailer 13$2,357 SGD
Retailer 2$2,359 SGD
Retailer 7$3,040 SGD
Retailer 11$3,052 SGD
Retailer 14$3,721 SGD
Retailer 4$4,310 SGD
Retailer 10$5,551 SGD
Retailer 3$6,980 SGD
Retailer 5$10,470 SGD
Do Amore Diamonds$11,045 SGD

32 data points across 14 retailers

14 retailers$1,244 SGD to $11,045 SGD

A+
Cheapest Retailer
-
$1,244 SGD
$973 USD
A
Retailer 2
-
$1,383 SGD
$1,082 USD
View
A
Retailer 3
-
$1,745 SGD
$1,365 USD
View
Final sale: no returns
A
Retailer 4
-
$1,811 SGD
$1,417 USD
View
A
Retailer 5
-
$2,357 SGD
$1,844 USD
View
A
Retailer 6
-
$2,359 SGD
$1,845 USD
View
A
Retailer 7
-
$3,040 SGD
$2,378 USD
View
A
Retailer 8
-
$3,052 SGD
$2,387 USD
View
Retailer 9
-
$3,721 SGD
A$4,478 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$4,310 SGD
$3,371 USD
View
B+
Retailer 11
-
$5,551 SGD
£3,419 GBP
View
Retailer 12
-
$6,980 SGD
$5,460 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$10,470 SGD
$8,190 USD
View
Most Expensive
B
Do Amore Diamonds
27-34F605E6C · Oct 31
$11,045 SGD
$8,640 USD
View
13 more retailers have this diamond
Prices start from $1,244 SGDSave up to $9,801 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
$1,244 SGD