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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6422256075

Certificate GIA 6422256075

Diamond specifications and retailer prices

From $2,713 SGD
As of October 31, 2026
Save $5,097 SGD (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,810 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422256075. Listed at 16 retailers as of October 31, 2026, with prices from $2,713 to $7,810, a $5,097 spread on the same certified stone. NZ Jewellers lists it at $7,810. 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

1.03
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6422256075
Dimensions6.46 × 6.42 × 4.05 mm
L/W Ratio1.01
Top View
6.46 mm6.42 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6422256075
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 31
Current: $3,931 SGD|Low: $2,600 SGD|High: $6,322 SGD|Avg: $3,718 SGD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$2,713 SGD
Retailer 6$2,739 SGD
Retailer 9$3,292 SGD
Retailer 7$3,448 SGD
Retailer 2$3,804 SGD
Retailer 8$3,879 SGD
Retailer 1$3,931 SGD
Retailer 4$4,215 SGD
Retailer 3$6,248 SGD

46 data points across 9 retailers

16 retailers$2,713 SGD to $7,810 SGD

A
Cheapest Retailer
-
$2,713 SGD
A
Retailer 2
-
$2,739 SGD
View
A
Retailer 3
-
$3,292 SGD
View
B+
Retailer 4
-
$3,448 SGD
View
Final sale: no returns
Retailer 5
-
$3,528 SGD
View
Price last confirmed 110 days ago
Retailer 6
-
$3,736 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,736 SGD
View
B+
Retailer 8
-
$3,804 SGD
View
B+
Retailer 9
-
$3,879 SGD
View
B+
Retailer 10
-
$3,931 SGD
View
B+
Retailer 11
-
$4,215 SGD
View
B+
Retailer 12
-
$4,311 SGD
View
B
Retailer 13
-
$5,566 SGD
View
B
Retailer 14
-
$6,248 SGD
View
B
Retailer 15
-
$7,131 SGD
View
Most Expensive
B
NZ Jewellers
9aab954b-e2da-437f-8635-efbf6fcb3273 · Nov 5
$7,810 SGD
$6,094 USD
View
15 more retailers have this diamond
Prices start from $2,713 SGDSave up to $5,097 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
1.03ct Round
$2,713 SGD