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1.27ct F SI1 Round Natural Diamond

EX • F/SI1 • HRD 260000130370

Certificate HRD 260000130370

Diamond specifications and retailer prices

From $3,989 SGD
A$4,798 AUD
As of November 3, 2026
3 retailers carry this diamond
Most expensive: $5,714 SGD at Wholesale Diamonds Direct · As of September 28, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000130370. Listed at 3 retailers as of November 3, 2026. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000130370
Dimensions6.82 × 6.86 × 4.34 mm
L/W Ratio1.01
Top View
6.82 mm6.86 mm1.27 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000130370
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $3,777 SGD|Low: $3,020 SGD|High: $5,860 SGD|Avg: $4,039 SGD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 12, 2026
Retailer 4$3,031 SGD
Retailer 5$3,192 SGD
Retailer 6$3,665 SGD
Retailer 1$3,777 SGD
Retailer 7$3,989 SGD
Retailer 3$4,345 SGD
Retailer 2$4,718 SGD
Wholesale Diamonds Direct$5,714 SGD

22 data points across 8 retailers

3 retailers

Retailer 1
-
$3,192 SGD
€2,377 EUR
Price last confirmed 37 days ago
A
Retailer 2
-
$3,989 SGD
A$4,798 AUD
View
Most Expensive
Wholesale Diamonds Direct
255550351 · Sep 28
$5,714 SGD
$4,468 USD
View
Price last confirmed 35 days ago
2 more retailers have this diamond
Prices start from $3,989 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
$3,989 SGD