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Radiant|Lab Grown|IGI

3.12ct D IF Radiant Lab Grown Diamond

D/IF • IGI LG768631511

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

Certificate IGI LG768631511

Diamond specifications and retailer prices

From $1,406 SGD
$1,100 USD
As of October 30, 2026
Save $11,084 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,490 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG768631511 or 768631511. Listed at 17 retailers as of October 30, 2026, with prices from $1,406 to $12,490, a $11,084 spread on the same certified stone. Do Amore Diamonds lists it at $12,490. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.12
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631511
Dimensions10.43 × 7.19 × 4.70 mm
L/W Ratio1.45
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
10.43 mm7.19 mm3.12 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631511
Side View
Table 66.0%Crown 45.2°Girdle: STK-THKPavilion 33.2°Culet: NoneDepth 65.4%

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: $12,490 SGD|Low: $1,406 SGD|High: $13,398 SGD|Avg: $4,726 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
Retailer 17
November 1, 2026
Retailer 14$1,406 SGD
Retailer 5$1,580 SGD
Retailer 9$1,757 SGD
Retailer 13$1,849 SGD
Retailer 7$1,898 SGD
Retailer 3$2,678 SGD
Retailer 11$2,933 SGD
Retailer 15$3,048 SGD
Retailer 12$3,310 SGD
Retailer 17$3,376 SGD
Retailer 2$4,068 SGD
Retailer 16$4,609 SGD
Retailer 4$5,984 SGD
Retailer 6$6,871 SGD
Retailer 10$8,784 SGD
Retailer 8$10,828 SGD
Do Amore Diamonds$12,490 SGD

33 data points across 17 retailers

17 retailers$1,406 SGD to $12,490 SGD

A
Cheapest Retailer
-
$1,406 SGD
$1,100 USD
A
Retailer 2
-
$1,580 SGD
$1,236 USD
View
A
Retailer 3
-
$1,757 SGD
$1,374 USD
View
Final sale: no returns
A
Retailer 4
-
$1,849 SGD
$1,446 USD
View
A
Retailer 5
-
$1,898 SGD
$1,485 USD
View
A
Retailer 6
-
$2,678 SGD
$2,095 USD
View
A
Retailer 7
-
$2,933 SGD
€2,185 EUR
View
A
Retailer 8
-
$3,048 SGD
$2,384 USD
View
A
Retailer 9
-
$3,310 SGD
$2,589 USD
View
A
Retailer 10
-
$3,376 SGD
$2,641 USD
View
B+
Retailer 11
-
$4,068 SGD
A$4,895 AUD
View
B+
Retailer 12
-
$4,609 SGD
$3,605 USD
View
B+
Retailer 13
-
$5,984 SGD
£3,686 GBP
View
Retailer 14
-
$6,871 SGD
$5,375 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$8,784 SGD
A$10,571 AUD
View
B
Retailer 16
-
$10,828 SGD
$8,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-0023999C4 · Oct 31
$12,490 SGD
$9,770 USD
View
16 more retailers have this diamond
Prices start from $1,406 SGDSave up to $11,084 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
3.12ct Radiant
$1,406 SGD