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Round|Natural|GIA

1.02ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2243027980

Certificate GIA 2243027980

Diamond specifications and retailer prices

From $3,930 SGD
$3,073 USD
As of November 1, 2026
Save $4,584 SGD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,514 SGD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2243027980. Listed at 20 retailers as of November 1, 2026, with prices from $3,930 to $8,514, a $4,584 spread on the same certified stone. NZ Jewellers lists it at $8,514. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2243027980
Dimensions6.42 × 6.46 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint
Top View
6.42 mm6.46 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243027980
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,514 SGD|Low: $3,930 SGD|High: $8,514 SGD|Avg: $5,244 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 5$3,930 SGD
Retailer 6$4,029 SGD
Retailer 8$4,085 SGD
Retailer 20$4,107 SGD
Retailer 10$4,265 SGD
Retailer 3$4,428 SGD
Retailer 17$4,428 SGD
Retailer 11$4,438 SGD
Retailer 19$4,598 SGD
Retailer 13$4,702 SGD
Retailer 14$4,926 SGD
Retailer 18$5,021 SGD
Retailer 9$5,108 SGD
Retailer 12$5,267 SGD
Retailer 4$5,636 SGD
Retailer 2$5,700 SGD
Retailer 16$6,007 SGD
Retailer 7$7,455 SGD
Retailer 15$8,173 SGD
NZ Jewellers$8,514 SGD

7 data points across 20 retailers

20 retailers$3,930 SGD to $8,514 SGD

B+
Cheapest Retailer
-
$3,930 SGD
$3,073 USD
B+
Retailer 2
-
$4,029 SGD
$3,150 USD
View
B+
Retailer 3
-
$4,085 SGD
$3,194 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,107 SGD
$3,211 USD
View
B+
Retailer 5
-
$4,265 SGD
$3,335 USD
View
B+
Retailer 6
-
$4,428 SGD
$3,462 USD
View
B+
Retailer 7
-
$4,428 SGD
$3,462 USD
View
B+
Retailer 8
-
$4,438 SGD
$3,471 USD
View
B+
Retailer 9
-
$4,598 SGD
$3,595 USD
View
B+
Retailer 10
-
$4,702 SGD
£2,895 GBP
View
B+
Retailer 11
-
$4,926 SGD
£3,033 GBP
View
B+
Retailer 12
-
$5,021 SGD
$3,926 USD
View
B+
Retailer 13
-
$5,108 SGD
$3,994 USD
View
B+
Retailer 14
-
$5,267 SGD
$4,118 USD
View
B
Retailer 15
-
$5,636 SGD
£3,470 GBP
View
B
Retailer 16
-
$5,700 SGD
€4,245 EUR
View
B
Retailer 17
-
$6,007 SGD
ZAR 75,877 ZAR
View
B
Retailer 18
-
$7,455 SGD
£4,590 GBP
View
B
Retailer 19
-
$8,173 SGD
£5,032 GBP
View
Most Expensive
B
NZ Jewellers
f1bd91c0-2edb-41d0-aca1-2e6df7573b54 · Nov 2
$8,514 SGD
$6,657 USD
View
19 more retailers have this diamond
Prices start from $3,930 SGDSave up to $4,584 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
$3,930 SGD