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Round|Natural|GIA

1.25ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6552572356

Certificate GIA 6552572356

Diamond specifications and retailer prices

From $3,537 SGD
As of November 6, 2026
Save $3,938 SGD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,809 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552572356. Listed at 20 retailers as of November 4, 2026, with a 111% 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

1.25
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552572356
Dimensions6.81 × 6.85 × 4.27 mm
L/W Ratio1.01
Girdle conditionSlightly Thick to Slightly Thick
Key to symbols
Twinning Wisp, Feather, Needle
Top View
6.81 mm6.85 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552572356
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Nov 6
Current: $4,655 SGD|Low: $3,367 SGD|High: $7,814 SGD|Avg: $4,530 SGD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,537 SGD
Retailer 5$3,573 SGD
Retailer 7$3,672 SGD
Retailer 6$3,747 SGD
Retailer 2$4,190 SGD
Retailer 9$4,455 SGD
Retailer 10$4,652 SGD
Retailer 1$4,655 SGD
Retailer 3$5,114 SGD
Retailer 4$7,476 SGD

43 data points across 10 retailers

20 retailers$3,537 SGD to $7,476 SGD

A
Cheapest Retailer
-
$3,537 SGD
A
Retailer 2
-
$3,573 SGD
View
A
Retailer 3
-
$3,672 SGD
View
A
Retailer 4
-
$3,747 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,777 SGD
View
Retailer 6
-
$4,061 SGD
View
Price last confirmed 50 days ago
Retailer 7
-
$4,061 SGD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$4,190 SGD
View
Retailer 9
-
$4,343 SGD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$4,455 SGD
View
B+
Retailer 11
-
$4,652 SGD
View
B+
Retailer 12
-
$4,652 SGD
View
B+
Retailer 13
-
$4,655 SGD
View
Retailer 14
-
$4,686 SGD
View
Price last confirmed 48 days ago
Retailer 15
-
$4,686 SGD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$4,806 SGD
View
B+
Retailer 17
-
$5,114 SGD
View
B
Retailer 18
-
$7,476 SGD
View
Retailer 19
-
$7,809 SGD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
cb690922-249a-4408-bb91-5a1185c9570f · Sep 28
$7,809 SGD
$6,093 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from $3,537 SGDSave up to $3,938 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
1.25ct Round
$3,537 SGD