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Radiant|Lab Grown|IGI

1.56ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG605366722

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

Certificate IGI LG605366722

Diamond specifications and retailer prices

From $326 SGD
$255 USD
As of November 1, 2026
Save $1,315 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,641 SGD at Reve Diamonds · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605366722 or 605366722. Listed at 16 retailers as of November 1, 2026, with prices from $326 to $1,641, a $1,315 spread on the same certified stone. Reve Diamonds lists it at $1,641. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.56
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605366722
Dimensions8.50 × 5.49 × 3.67 mm
L/W Ratio1.55
Culet sizePointed
Top View
8.50 mm5.49 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605366722
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 30.5°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $676 SGD|Low: $280 SGD|High: $1,468 SGD|Avg: $693 SGD|+4.6%
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
November 2, 2026
Retailer 12$291 SGD
Retailer 6$326 SGD
Retailer 3$339 SGD
Retailer 4$362 SGD
Retailer 13$362 SGD
Retailer 8$604 SGD
Retailer 2$616 SGD
Retailer 9$657 SGD
Retailer 1$676 SGD
Retailer 5$784 SGD
Retailer 11$945 SGD
Retailer 10$1,131 SGD
Retailer 14$1,163 SGD
Retailer 7$1,450 SGD

40 data points across 14 retailers

16 retailers$326 SGD to $1,641 SGD

Retailer 1
-
$291 SGD
$228 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$326 SGD
$255 USD
View
Final sale: no returns
Retailer 3
-
$339 SGD
$265 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$362 SGD
$283 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$362 SGD
$283 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$604 SGD
€450 EUR
View
A
Retailer 7
-
$616 SGD
$482 USD
View
A
Retailer 8
-
$657 SGD
$514 USD
View
A
Retailer 9
-
$676 SGD
£416 GBP
View
B+
Retailer 10
-
$784 SGD
$613 USD
View
B
Retailer 11
-
$945 SGD
$739 USD
View
Retailer 12
-
$1,131 SGD
$885 USD
View
Price last confirmed 14 days ago
Retailer 13
-
$1,163 SGD
$910 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$1,230 SGD
$962 USD
View
B
Retailer 15
-
$1,450 SGD
£893 GBP
View
Most Expensive
B
Reve Diamonds
D19BAF116 · Nov 1
$1,641 SGD
$1,284 USD
View
15 more retailers have this diamond
Prices start from $326 SGDSave up to $1,315 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
$326 SGD