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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5242070995

Certificate GIA 5242070995

Diamond specifications and retailer prices

From $2,748 SGD
As of October 31, 2026
Save $2,592 SGD (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,340 SGD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 5242070995. Listed at 16 retailers as of October 31, 2026, with prices from $2,748 to $5,340, a $2,592 spread on the same certified stone. Helzberg Diamonds lists it at $5,340. 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 angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5242070995
Dimensions6.48 × 6.50 × 4.04 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.48 mm6.50 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242070995
Side View
Table 56.0%Crown 34°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.2%

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 31
Current: $5,340 SGD|Low: $2,407 SGD|High: $5,388 SGD|Avg: $3,447 SGD|-0.9%
Helzberg Diamonds
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
November 1, 2026
Retailer 6$2,748 SGD
Retailer 8$2,870 SGD
Retailer 13$2,898 SGD
Retailer 3$2,954 SGD
Retailer 12$2,980 SGD
Retailer 10$3,004 SGD
Retailer 11$3,200 SGD
Retailer 5$3,246 SGD
Retailer 16$3,324 SGD
Retailer 4$3,683 SGD
Retailer 15$3,726 SGD
Retailer 2$3,738 SGD
Retailer 9$3,827 SGD
Retailer 14$4,542 SGD
Retailer 7$4,856 SGD
Helzberg Diamonds$5,340 SGD

27 data points across 16 retailers

16 retailers$2,748 SGD to $5,340 SGD

A
Cheapest Retailer
-
$2,748 SGD
A
Retailer 2
-
$2,870 SGD
$2,245 USD
View
A
Retailer 3
-
$2,898 SGD
$2,267 USD
View
A
Retailer 4
-
$2,954 SGD
$2,311 USD
View
B+
Retailer 5
-
$2,980 SGD
$2,331 USD
View
A
Retailer 6
-
$3,004 SGD
$2,350 USD
View
A
Retailer 7
-
$3,200 SGD
£1,971 GBP
View
A
Retailer 8
-
$3,246 SGD
View
B+
Retailer 9
-
$3,324 SGD
$2,600 USD
View
B+
Retailer 10
-
$3,683 SGD
$2,881 USD
View
B+
Retailer 11
-
$3,726 SGD
£2,295 GBP
View
B+
Retailer 12
-
$3,738 SGD
$2,924 USD
View
B+
Retailer 13
-
$3,827 SGD
€2,851 EUR
View
B+
Retailer 14
-
$4,542 SGD
$3,553 USD
View
B
Retailer 15
-
$4,856 SGD
$3,798 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGNGPPL · Nov 1
$5,340 SGD
$4,177 USD
View
15 more retailers have this diamond
Prices start from $2,748 SGDSave up to $2,592 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
$2,748 SGD