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Round|Natural|GIA

1.27ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1555332615

Certificate GIA 1555332615

Diamond specifications and retailer prices

From $3,554 SGD
₹264,753 INR
As of November 1, 2026
Save $4,786 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,866 SGD at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555332615. Listed at 16 retailers as of October 30, 2026, with a 135% 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

1.27
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555332615
Dimensions6.87 × 6.92 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.87 mm6.92 mm1.27 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555332615
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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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 1
Current: $8,340 SGD|Low: $3,554 SGD|High: $8,569 SGD|Avg: $5,323 SGD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$3,554 SGD
Retailer 2$3,756 SGD
Retailer 3$4,249 SGD
Retailer 12$4,729 SGD
Retailer 4$4,788 SGD
Retailer 6$4,871 SGD
Retailer 7$4,896 SGD
Retailer 10$4,915 SGD
Retailer 5$4,972 SGD
Retailer 8$5,189 SGD
Retailer 13$5,524 SGD
Retailer 11$8,006 SGD
NZ Jewellers$8,340 SGD

29 data points across 13 retailers

16 retailers$3,554 SGD to $8,340 SGD

A
Cheapest Retailer
-
$3,554 SGD
₹264,753 INR
A
Retailer 2
-
$3,756 SGD
$2,938 USD
View
Final sale: no returns
A
Retailer 3
-
$4,249 SGD
$3,324 USD
View
A
Retailer 4
-
$4,729 SGD
$3,699 USD
View
A
Retailer 5
-
$4,788 SGD
$3,745 USD
View
A
Retailer 6
-
$4,871 SGD
£3,000 GBP
View
A
Retailer 7
-
$4,896 SGD
$3,830 USD
View
A
Retailer 8
-
$4,915 SGD
$3,844 USD
View
A
Retailer 9
-
$4,972 SGD
$3,889 USD
View
Retailer 10
-
$5,062 SGD
$3,960 USD
View
Price last confirmed 55 days ago
A
Retailer 11
-
$5,189 SGD
€3,866 EUR
View
B+
Retailer 12
-
$5,524 SGD
$4,321 USD
View
Retailer 13
-
$5,842 SGD
$4,570 USD
View
Price last confirmed 56 days ago
B+
Retailer 14
-
$8,006 SGD
£4,931 GBP
View
B
Retailer 15
-
$8,340 SGD
$6,524 USD
View
Most Expensive
NZ Jewellers
617cb3a1-0816-45b4-b7db-45ead0dd2766 · Sep 1
$8,866 SGD
$6,935 USD
View
Price last confirmed 61 days ago
15 more retailers have this diamond
Prices start from $3,554 SGDSave up to $4,786 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
1.27ct Round
$3,554 SGD