CaratHunter
Plans
Round|Natural|GIA

1.27ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6541958660

Certificate GIA 6541958660

Diamond specifications and retailer prices

From $3,367 SGD
$2,634 USD
As of November 2, 2026
Save $3,060 SGD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,768 SGD at NZ Jewellers · As of September 28, 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 6541958660. Listed at 9 retailers as of October 29, 2026, with a 91% 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 6541958660
Dimensions6.85 × 6.90 × 4.34 mm
L/W Ratio1.01
Star length50%
Top View
6.85 mm6.90 mm1.27 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541958660
Side View
Table 57.0%Crown 36.5°GirdlePavilion 41°Culet: NoneDepth 63.2%

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 2
Current: $3,878 SGD|Low: $3,287 SGD|High: $6,566 SGD|Avg: $4,327 SGD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$3,367 SGD
Retailer 1$3,878 SGD
Retailer 6$3,884 SGD
Retailer 5$3,886 SGD
Retailer 2$4,078 SGD
Retailer 7$4,622 SGD
Retailer 3$6,428 SGD

25 data points across 7 retailers

9 retailers$3,367 SGD to $6,428 SGD

A
Cheapest Retailer
-
$3,367 SGD
$2,634 USD
Final sale: no returns
A
Retailer 2
-
$3,878 SGD
£2,388 GBP
View
Retailer 3
-
$3,884 SGD
$3,038 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$3,886 SGD
$3,040 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$4,033 SGD
$3,155 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$4,078 SGD
€3,038 EUR
View
Retailer 7
-
$4,482 SGD
$3,506 USD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$6,428 SGD
£3,959 GBP
View
Most Expensive
NZ Jewellers
9d33eca8-ac60-443b-94f7-be878d60f780 · Sep 28
$6,768 SGD
$5,294 USD
View
Price last confirmed 35 days ago
8 more retailers have this diamond
Prices start from $3,367 SGDSave up to $3,060 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
$3,367 SGD