CaratHunter
Plans
Cushion|Natural|GIA

1.03ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6531801026

Certificate GIA 6531801026

Diamond specifications and retailer prices

From $1,820 SGD
As of November 6, 2026
Save $1,431 SGD (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,250 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531801026. Listed at 3 retailers as of November 4, 2026, with prices from $1,820 to $3,250, a $1,431 spread on the same certified stone. MOH London lists it at $3,250. 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

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531801026
Dimensions6.44 × 5.16 × 3.52 mm
L/W Ratio1.25
Top View
6.44 mm5.16 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531801026
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 68.2%

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 6
Current: $3,250 SGD|Low: $1,776 SGD|High: $3,276 SGD|Avg: $2,164 SGD|+15.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$1,776 SGD
Retailer 2$1,820 SGD
Retailer 4$1,834 SGD
Retailer 6$1,835 SGD
Retailer 3$2,467 SGD
MOH London$3,250 SGD

19 data points across 6 retailers

3 retailers$1,820 SGD to $3,250 SGD

B+
Cheapest Retailer
-
$1,820 SGD
B
Retailer 2
-
$2,467 SGD
View
Most Expensive
B
MOH London
9829389B0 · Nov 4
$3,250 SGD
£1,997 GBP
View
2 more retailers have this diamond
Prices start from $1,820 SGDSave up to $1,431 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+
1.03ct Cushion
$1,820 SGD