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Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1568038340

Certificate GIA 1568038340

Diamond specifications and retailer prices

From $4,105 SGD
$3,211 USD
As of October 30, 2026
Save $3,373 SGD (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,824 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568038340. Listed at 18 retailers as of October 29, 2026, with a 82% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1568038340
Dimensions6.38 × 6.43 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Needle, Feather
Top View
6.38 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568038340
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,824 SGD|Low: $3,273 SGD|High: $7,824 SGD|Avg: $5,087 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$3,273 SGD
Retailer 10$4,105 SGD
Retailer 12$4,132 SGD
Retailer 6$4,292 SGD
Retailer 7$4,650 SGD
Retailer 3$4,664 SGD
Retailer 13$4,815 SGD
Retailer 9$5,163 SGD
Retailer 4$5,181 SGD
Retailer 2$5,207 SGD
Retailer 11$5,420 SGD
Retailer 8$7,478 SGD
NZ Jewellers$7,824 SGD

38 data points across 13 retailers

18 retailers$4,105 SGD to $7,478 SGD

Retailer 1
-
$3,273 SGD
HK$20,000 HKD
Price last confirmed 8 days ago
Retailer 2
-
$3,986 SGD
$3,118 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$4,105 SGD
$3,211 USD
View
Final sale: no returns
A
Retailer 4
-
$4,132 SGD
View
B+
Retailer 5
-
$4,292 SGD
£2,644 GBP
View
Retailer 6
-
$4,491 SGD
$3,513 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$4,600 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,650 SGD
£2,864 GBP
View
Retailer 9
-
$4,664 SGD
$3,648 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$4,815 SGD
A$5,795 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$4,916 SGD
$3,846 USD
View
B+
Retailer 12
-
$5,163 SGD
£3,180 GBP
View
Retailer 13
-
$5,181 SGD
$4,053 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$5,207 SGD
€3,879 EUR
View
Retailer 15
-
$5,420 SGD
ZAR 68,490 ZAR
View
Price last confirmed 9 days ago
B
Retailer 16
-
$6,363 SGD
$4,977 USD
View
B
Retailer 17
-
$7,478 SGD
£4,606 GBP
View
Most Expensive
NZ Jewellers
4d0e2a06-9c7a-4727-8aeb-dfd30bc267a8 · Oct 20
$7,824 SGD
$6,120 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $4,105 SGDSave up to $3,373 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
1.02ct Round
$4,105 SGD