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Round|Natural|GIA

1.27ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5231961820

Certificate GIA 5231961820

Diamond specifications and retailer prices

From $5,245 SGD
As of November 5, 2026
Save $3,441 SGD (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,685 SGD at MOH London · As of November 4, 2026
View at MOH London

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231961820. Listed at 5 retailers as of November 4, 2026, with prices from $5,245 to $8,685, a $3,441 spread on the same certified stone. MOH London lists it at $8,685. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231961820
Dimensions6.93 × 6.98 × 4.27 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
6.93 mm6.98 mm1.27 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231961820
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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 5
Current: $8,685 SGD|Low: $3,764 SGD|High: $8,813 SGD|Avg: $5,476 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$3,919 SGD
Retailer 5$4,141 SGD
Retailer 2$5,245 SGD
Retailer 3$5,868 SGD
MOH London$8,685 SGD

43 data points across 5 retailers

5 retailers$5,245 SGD to $8,685 SGD

Retailer 1
-
$3,919 SGD
Price last confirmed 14 days ago
Retailer 2
-
$4,278 SGD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$5,245 SGD
View
A
Retailer 4
-
$5,868 SGD
View
Most Expensive
B+
MOH London
91FC820EC · Nov 4
$8,685 SGD
£5,354 GBP
View
4 more retailers have this diamond
Prices start from $5,245 SGDSave up to $3,441 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
$5,245 SGD