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Cushion|Lab Grown|IGI

1.51ct G SI2 Cushion Lab Grown Diamond

VG • G/SI2 • IGI LG529256421

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG529256421

Diamond specifications and retailer prices

From $2,499 SGD
$1,955 USD
As of October 19, 2026
2 retailers carry this diamond
Only listing: $2,499 SGD at Rare Carat
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Rare Carat

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG529256421 or 529256421. Listed at 2 retailers as of October 19, 2026. 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

1.51
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529256421
Dimensions7.01 × 6.29 × 4.65 mm
L/W Ratio1.11
Girdle conditionFaceted
Top View
7.01 mm6.29 mm1.51 ctG / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529256421
Side View
Table 59.5%Crown 32°Girdle: MED-VTKPavilion 41.6°CuletDepth 73.9%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 19
Current: $2,499 SGD|Low: $2,499 SGD|High: $9,564 SGD|Avg: $6,041 SGD|-1.4%
Rare Carat
Retailer 2
October 19, 2026
Rare Carat$2,499 SGD
Retailer 2$9,564 SGD

4 data points across 2 retailers

2 retailers

Rare Carat
5G-4329/AE35-60-17 · Oct 19
$2,499 SGD
$1,955 USD
View
Price last confirmed 14 days ago

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.

1.51ct Cushion
$2,499 SGD