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Round|Natural|GIA

1.25ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1565352270

Certificate GIA 1565352270

Diamond specifications and retailer prices

From $5,406 SGD
As of November 1, 2026
Save $4,827 SGD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,859 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565352270. Listed at 13 retailers as of November 1, 2026, with a 89% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565352270
Dimensions6.82 × 6.86 × 4.28 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
6.82 mm6.86 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565352270
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 1
Current: $6,408 SGD|Low: $5,406 SGD|High: $10,286 SGD|Avg: $6,762 SGD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$5,406 SGD
Retailer 8$5,549 SGD
Retailer 10$5,762 SGD
Retailer 9$5,975 SGD
Retailer 3$5,985 SGD
Retailer 2$6,045 SGD
Retailer 4$6,241 SGD
Retailer 12$6,402 SGD
Retailer 1$6,408 SGD
Retailer 5$7,237 SGD
Retailer 7$9,389 SGD
Retailer 6$10,232 SGD

19 data points across 12 retailers

13 retailers$5,406 SGD to $10,232 SGD

A
Cheapest Retailer
-
$5,406 SGD
B+
Retailer 2
-
$5,549 SGD
View
B+
Retailer 3
-
$5,762 SGD
View
B+
Retailer 4
-
$5,975 SGD
View
Retailer 5
-
$5,985 SGD
View
Price last confirmed 26 days ago
Retailer 6
-
$6,232 SGD
View
Price last confirmed 42 days ago
Retailer 7
-
$6,241 SGD
View
Price last confirmed 40 days ago
B+
Retailer 8
-
$6,402 SGD
View
B+
Retailer 9
-
$6,408 SGD
View
B+
Retailer 10
-
$7,237 SGD
View
Retailer 11
-
$9,389 SGD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$10,232 SGD
View
Most Expensive
NZ Jewellers
f736fc90-8d80-4a07-95cf-aa6564149729 · Sep 28
$10,859 SGD
$8,473 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from $5,406 SGDSave up to $4,827 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
$5,406 SGD