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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2477931156

Certificate GIA 2477931156

Diamond specifications and retailer prices

From $4,247 SGD
$3,322 USD
As of November 1, 2026
Save $4,953 SGD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,199 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2477931156. Listed at 16 retailers as of October 30, 2026, with prices from $4,247 to $9,199, a $4,953 spread on the same certified stone. NZ Jewellers lists it at $9,199. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2477931156
Dimensions6.50 × 6.47 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.50 mm6.47 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477931156
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.0%

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: $5,368 SGD|Low: $4,340 SGD|High: $8,938 SGD|Avg: $5,740 SGD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$4,340 SGD
Retailer 7$4,416 SGD
Retailer 9$4,968 SGD
Retailer 3$5,081 SGD
Retailer 1$5,368 SGD
Retailer 8$5,662 SGD
Retailer 2$5,951 SGD
Retailer 5$6,491 SGD
Retailer 4$8,831 SGD

37 data points across 9 retailers

16 retailers$4,247 SGD to $9,199 SGD

B+
Cheapest Retailer
-
$4,247 SGD
$3,322 USD
B+
Retailer 2
-
$4,340 SGD
$3,395 USD
View
B+
Retailer 3
-
$4,416 SGD
$3,454 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,583 SGD
$3,585 USD
View
B
Retailer 5
-
$4,784 SGD
$3,742 USD
View
B
Retailer 6
-
$4,784 SGD
$3,742 USD
View
B
Retailer 7
-
$4,968 SGD
$3,886 USD
View
B
Retailer 8
-
$5,081 SGD
£3,129 GBP
View
B
Retailer 9
-
$5,368 SGD
£3,306 GBP
View
B
Retailer 10
-
$5,520 SGD
$4,318 USD
View
Retailer 11
-
$5,662 SGD
A$6,814 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$5,951 SGD
€4,433 EUR
View
Retailer 13
-
$5,977 SGD
$4,675 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$6,491 SGD
ZAR 82,025 ZAR
View
B
Retailer 15
-
$8,831 SGD
£5,439 GBP
View
Most Expensive
B
NZ Jewellers
1de9a972-c0cf-4415-9d8b-f6fada7927d6 · Oct 30
$9,199 SGD
$7,196 USD
View
15 more retailers have this diamond
Prices start from $4,247 SGDSave up to $4,953 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+
1.03ct Round
$4,247 SGD