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Round|Natural|GIA

1.02ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 2518108397

Certificate GIA 2518108397

Diamond specifications and retailer prices

From $2,648 SGD
As of November 4, 2026
Save $3,611 SGD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,259 SGD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2518108397. Listed at 18 retailers as of November 4, 2026, with prices from $2,648 to $6,259, a $3,611 spread on the same certified stone. NZ Jewellers lists it at $6,259. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2518108397
Dimensions6.37 × 6.33 × 4.03 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.37 mm6.33 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2518108397
Side View
Table 57.0%Crown 36°Girdle: STK-THKPavilion 41°Culet: NoneDepth 63.4%

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: Nov 4
Current: $3,709 SGD|Low: $2,303 SGD|High: $5,307 SGD|Avg: $3,458 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9$2,648 SGD
Retailer 6$2,764 SGD
Retailer 5$2,772 SGD
Retailer 8$3,132 SGD
Retailer 3$3,234 SGD
Retailer 2$3,654 SGD
Retailer 7$3,685 SGD
Retailer 1$3,709 SGD
Retailer 4$5,231 SGD

44 data points across 9 retailers

18 retailers$2,648 SGD to $6,259 SGD

A
Cheapest Retailer
-
$2,648 SGD
A
Retailer 2
-
$2,704 SGD
View
B+
Retailer 3
-
$2,764 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,772 SGD
View
B+
Retailer 5
-
$2,989 SGD
View
Retailer 6
-
$2,994 SGD
View
Price last confirmed 60 days ago
Retailer 7
-
$2,994 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,994 SGD
View
B+
Retailer 9
-
$3,132 SGD
View
B+
Retailer 10
-
$3,172 SGD
View
B+
Retailer 11
-
$3,234 SGD
View
Retailer 12
-
$3,455 SGD
View
Price last confirmed 60 days ago
B+
Retailer 13
-
$3,455 SGD
View
B+
Retailer 14
-
$3,654 SGD
View
Retailer 15
-
$3,685 SGD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
$3,709 SGD
View
B
Retailer 17
-
$5,231 SGD
View
Most Expensive
B
NZ Jewellers
e18a236a-74eb-4954-adfb-8ae465e80a09 · Nov 5
$6,259 SGD
$4,900 USD
View
17 more retailers have this diamond
Prices start from $2,648 SGDSave up to $3,611 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
$2,648 SGD