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Cushion|Natural|GIA

0.50ct J SI1 Cushion Natural Diamond

VG • J/SI1 • GIA 6187301022

Certificate GIA 6187301022

Diamond specifications and retailer prices

From $609 SGD
As of November 1, 2026
Save $542 SGD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,151 SGD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6187301022. Listed at 3 retailers as of November 1, 2026, with prices from $609 to $1,151, a $542 spread on the same certified stone. 77 Diamonds lists it at $1,151. 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

0.50
Carat
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6187301022
Dimensions4.55 × 4.45 × 3.20 mm
L/W Ratio1.02
Culet sizeNone
Top View
4.55 mm4.45 mm0.50 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6187301022
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,151 SGD|Low: $581 SGD|High: $1,162 SGD|Avg: $891 SGD|+5.2%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$609 SGD
Retailer 2$955 SGD
77 Diamonds$1,151 SGD

41 data points across 3 retailers

3 retailers$609 SGD to $1,151 SGD

B+
Cheapest Retailer
-
$609 SGD
B
Retailer 2
-
$955 SGD
View
Most Expensive
B
77 Diamonds
CUSZ2JDUJBPN · Nov 5
$1,151 SGD
£707 GBP
View
2 more retailers have this diamond
Prices start from $609 SGDSave up to $542 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.

B+
0.50ct Cushion
$609 SGD