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Round|Natural|GIA

1.02ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5406869408

Certificate GIA 5406869408

Diamond specifications and retailer prices

From $4,847 SGD
As of November 5, 2026
Save $1,856 SGD (28%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,023 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5406869408. Listed at 19 retailers as of November 5, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5406869408
Dimensions6.48 × 6.45 × 3.98 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.48 mm6.45 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5406869408
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,023 SGD|Low: $4,398 SGD|High: $10,171 SGD|Avg: $6,249 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$4,943 SGD
Retailer 6$5,278 SGD
Retailer 8$5,397 SGD
Retailer 7$5,716 SGD
Retailer 10$5,716 SGD
Retailer 11$5,716 SGD
Retailer 2$6,173 SGD
Retailer 9$6,227 SGD
Retailer 4$6,703 SGD
Retailer 3$6,966 SGD
MOH London$10,023 SGD

42 data points across 11 retailers

19 retailers$4,847 SGD to $6,703 SGD

B
Cheapest Retailer
-
$4,847 SGD
B
Retailer 2
-
$4,943 SGD
View
B
Retailer 3
-
$5,030 SGD
View
B
Retailer 4
-
$5,278 SGD
View
Final sale: no returns
B
Retailer 5
-
$5,370 SGD
View
B
Retailer 6
-
$5,397 SGD
View
Retailer 7
-
$5,716 SGD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$5,716 SGD
View
B
Retailer 9
-
$5,716 SGD
View
B
Retailer 10
-
$6,173 SGD
View
B
Retailer 11
-
$6,227 SGD
View
B
Retailer 12
-
$6,425 SGD
View
B
Retailer 13
-
$6,425 SGD
View
B
Retailer 14
-
$6,596 SGD
View
B
Retailer 15
-
$6,642 SGD
View
B
Retailer 16
-
$6,703 SGD
View
Retailer 17
-
$6,966 SGD
View
Price last confirmed 14 days ago
Most Expensive
MOH London
766155B09 · Nov 4
$10,023 SGD
£6,179 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $4,847 SGDSave up to $1,856 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
1.02ct Round
$4,847 SGD