Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3525837494

Certificate GIA 3525837494

Diamond specifications and retailer prices

From $3,322 SGD
HK$20,300 HKD
As of October 29, 2026
Save $4,215 SGD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,140 SGD at NZ Jewellers · As of September 17, 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 3525837494. Listed at 23 retailers as of October 29, 2026, with a 127% 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
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3525837494
Dimensions6.45 × 6.40 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.45 mm6.40 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3525837494
Side View
Table 58.0%Crown 35.5°Girdle: MD-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $5,248 SGD|Low: $3,322 SGD|High: $7,587 SGD|Avg: $4,633 SGD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14$3,322 SGD
Retailer 5$3,980 SGD
Retailer 4$4,060 SGD
Retailer 11$4,078 SGD
Retailer 13$4,137 SGD
Retailer 12$4,315 SGD
Retailer 7$4,326 SGD
Retailer 3$4,483 SGD
Retailer 6$4,653 SGD
Retailer 8$4,656 SGD
Retailer 2$4,807 SGD
Retailer 1$5,248 SGD
Retailer 10$5,459 SGD
Retailer 9$7,537 SGD

31 data points across 14 retailers

23 retailers$3,322 SGD to $7,537 SGD

A
Cheapest Retailer
-
$3,322 SGD
HK$20,300 HKD
A
Retailer 2
-
$3,980 SGD
$3,113 USD
View
A
Retailer 3
-
$4,060 SGD
$3,176 USD
View
Retailer 4
-
$4,078 SGD
$3,190 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$4,137 SGD
$3,236 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,315 SGD
$3,375 USD
View
B+
Retailer 7
-
$4,326 SGD
£2,665 GBP
View
Retailer 8
-
$4,483 SGD
$3,507 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$4,483 SGD
$3,507 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,653 SGD
View
Retailer 11
-
$4,655 SGD
$3,641 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$4,656 SGD
£2,868 GBP
View
Retailer 13
-
$4,673 SGD
$3,655 USD
View
Price last confirmed 43 days ago
Retailer 14
-
$4,807 SGD
A$5,784 AUD
View
Price last confirmed 27 days ago
Retailer 15
-
$5,172 SGD
$4,046 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$5,248 SGD
€3,910 EUR
View
Retailer 17
-
$5,391 SGD
$4,217 USD
View
Price last confirmed 44 days ago
Retailer 18
-
$5,391 SGD
$4,217 USD
View
Price last confirmed 39 days ago
B+
Retailer 19
-
$5,459 SGD
ZAR 68,982 ZAR
View
B
Retailer 20
-
$7,537 SGD
£4,642 GBP
View
Retailer 21
-
$7,810 SGD
$6,109 USD
View
Price last confirmed 10 days ago
Retailer 22
-
$8,140 SGD
$6,367 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
9a71b17f-8934-4e17-94c6-b0ed6510c950 · Sep 17
$8,140 SGD
$6,367 USD
View
Price last confirmed 44 days ago
22 more retailers have this diamond
Prices start from $3,322 SGDSave up to $4,215 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
$3,322 SGD