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Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555587184

Certificate GIA 1555587184

Diamond specifications and retailer prices

From $3,515 SGD
As of October 30, 2026
Save $551 SGD (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,803 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 1555587184. Listed at 11 retailers as of October 30, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
FluorescenceFaint
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555587184
Dimensions6.46 × 6.51 × 3.99 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.46 mm6.51 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555587184
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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: $6,803 SGD|Low: $2,828 SGD|High: $7,136 SGD|Avg: $4,505 SGD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$2,828 SGD
Retailer 2$3,363 SGD
Retailer 6$3,515 SGD
Retailer 8$3,905 SGD
Retailer 9$4,007 SGD
Retailer 10$4,066 SGD
Retailer 3$4,528 SGD
Retailer 7$5,914 SGD
Retailer 5$6,485 SGD
NZ Jewellers$6,803 SGD

33 data points across 10 retailers

11 retailers$3,515 SGD to $4,066 SGD

A
Retailer 1
-
$2,828 SGD
Price last confirmed 7 days ago
Retailer 2
-
$3,363 SGD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$3,515 SGD
View
Retailer 4
-
$3,905 SGD
View
Price last confirmed 15 days ago
Retailer 5
-
$4,007 SGD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$4,066 SGD
View
Retailer 7
-
$4,105 SGD
View
Price last confirmed 22 days ago
Retailer 8
-
$4,528 SGD
View
Price last confirmed 8 days ago
Retailer 9
-
$5,914 SGD
View
Price last confirmed 16 days ago
Retailer 10
-
$6,485 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
89a0f8b9-dc52-4308-86f8-642617521619 · Oct 20
$6,803 SGD
$5,326 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $3,515 SGDSave up to $551 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
$3,515 SGD