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Round|Natural|GIA

1.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2536065047

Certificate GIA 2536065047

Diamond specifications and retailer prices

From $4,738 SGD
As of November 6, 2026
Save $2,514 SGD (35%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,518 SGD at MOH London · As of October 21, 2026
View at MOH London

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2536065047. Listed at 18 retailers as of November 5, 2026, with a 53% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2536065047
Dimensions6.87 × 6.92 × 4.33 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
6.87 mm6.92 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2536065047
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 6
Current: $9,518 SGD|Low: $4,556 SGD|High: $10,176 SGD|Avg: $6,458 SGD|-0.5%
MOH London
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 6, 2026
Retailer 15$4,738 SGD
Retailer 14$4,970 SGD
Retailer 3$5,120 SGD
Retailer 8$5,558 SGD
Retailer 2$5,688 SGD
Retailer 7$5,754 SGD
Retailer 12$5,803 SGD
Retailer 16$5,991 SGD
Retailer 5$6,062 SGD
Retailer 13$6,062 SGD
Retailer 4$6,267 SGD
Retailer 6$6,564 SGD
Retailer 11$6,616 SGD
Retailer 10$6,676 SGD
Retailer 9$7,253 SGD
MOH London$9,518 SGD

23 data points across 16 retailers

18 retailers$4,738 SGD to $7,253 SGD

A
Cheapest Retailer
-
$4,738 SGD
B+
Retailer 2
-
$4,970 SGD
View
Final sale: no returns
B+
Retailer 3
-
$5,120 SGD
View
Retailer 4
-
$5,385 SGD
View
Price last confirmed 29 days ago
Retailer 5
-
$5,385 SGD
View
Price last confirmed 25 days ago
Retailer 6
-
$5,385 SGD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$5,688 SGD
View
Retailer 8
-
$5,803 SGD
View
Price last confirmed 14 days ago
Retailer 9
-
$5,991 SGD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$6,062 SGD
View
B+
Retailer 11
-
$6,062 SGD
View
Retailer 12
-
$6,213 SGD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$6,267 SGD
View
Retailer 14
-
$6,564 SGD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
$6,616 SGD
View
B+
Retailer 16
-
$6,676 SGD
View
B
Retailer 17
-
$7,253 SGD
View
Most Expensive
MOH London
A7134407C · Oct 21
$9,518 SGD
£5,848 GBP
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from $4,738 SGDSave up to $2,514 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
1.30ct Round
$4,738 SGD