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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG646455600

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

Certificate IGI LG646455600

Diamond specifications and retailer prices

From $313 SGD
$245 USD
As of October 30, 2026
Save $1,395 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,708 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG646455600 or 646455600. Listed at 22 retailers as of October 30, 2026, with prices from $313 to $1,708, a $1,395 spread on the same certified stone. Reve Diamonds lists it at $1,708. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646455600
Dimensions8.26 × 5.64 × 3.84 mm
L/W Ratio1.46
Culet sizePointed
Top View
8.26 mm5.64 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646455600
Side View
Table 66.0%Crown 43.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
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: $736 SGD|Low: $313 SGD|High: $1,708 SGD|Avg: $822 SGD|+18.1%
Retailer 1
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
Retailer 18
Retailer 19
Reve Diamonds
October 31, 2026
Retailer 2$313 SGD
Retailer 8$349 SGD
Retailer 17$363 SGD
Retailer 6$387 SGD
Retailer 16$387 SGD
Retailer 12$433 SGD
Retailer 3$616 SGD
Retailer 5$653 SGD
Retailer 13$666 SGD
Retailer 4$711 SGD
Retailer 1$736 SGD
Retailer 7$807 SGD
Retailer 14$904 SGD
Retailer 18$1,246 SGD
Retailer 19$1,252 SGD
Retailer 9$1,313 SGD
Retailer 11$1,526 SGD
Retailer 10$1,535 SGD
Retailer 15$1,557 SGD
Reve Diamonds$1,708 SGD

33 data points across 20 retailers

22 retailers$313 SGD to $1,708 SGD

A
Cheapest Retailer
-
$313 SGD
$245 USD
A
Retailer 2
-
$349 SGD
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$363 SGD
$284 USD
View
A
Retailer 4
-
$387 SGD
$303 USD
View
A
Retailer 5
-
$387 SGD
$303 USD
View
A
Retailer 6
-
$433 SGD
£267 GBP
View
Retailer 7
-
$616 SGD
€459 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$653 SGD
$511 USD
View
A
Retailer 9
-
$666 SGD
ZAR 8,421 ZAR
View
A
Retailer 10
-
$711 SGD
$556 USD
View
B+
Retailer 11
-
$736 SGD
£454 GBP
View
B+
Retailer 12
-
$807 SGD
$631 USD
View
B+
Retailer 13
-
$904 SGD
A$1,088 AUD
View
B
Retailer 14
-
$1,246 SGD
$975 USD
View
B
Retailer 15
-
$1,252 SGD
$979 USD
View
B
Retailer 16
-
$1,277 SGD
£787 GBP
View
B
Retailer 17
-
$1,313 SGD
$1,027 USD
View
Retailer 18
-
$1,394 SGD
$1,091 USD
View
Price last confirmed 54 days ago
B
Retailer 19
-
$1,526 SGD
$1,194 USD
View
B
Retailer 20
-
$1,535 SGD
$1,201 USD
View
B
Retailer 21
-
$1,557 SGD
£959 GBP
View
Most Expensive
B
Reve Diamonds
AD300E95D · Oct 30
$1,708 SGD
$1,336 USD
View
21 more retailers have this diamond
Prices start from $313 SGDSave up to $1,395 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
1.56ct Radiant
$313 SGD