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Round|Natural|GIA

1.26ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 4

Certificate GIA 4

Diamond specifications and retailer prices

From $4,826 SGD
As of November 4, 2026
Save $1,220 SGD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,045 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.26ct natural round diamond

This 1.26ct 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. Listed at 3 retailers as of November 4, 2026, with prices from $4,826 to $6,045, a $1,220 spread on the same certified stone. Blue Nile lists it at $6,045. 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

1.26
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 4
Dimensions6.89 × 6.93 × 4.29 mm
L/W Ratio1.01
Top View
6.89 mm6.93 mm1.26 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 4
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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 4
Current: $6,045 SGD|Low: $4,826 SGD|High: $6,045 SGD|Avg: $5,156 SGD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$4,826 SGD
Retailer 3$5,043 SGD
Blue Nile$6,045 SGD

2 data points across 3 retailers

3 retailers$4,826 SGD to $6,045 SGD

A
Cheapest Retailer
-
$4,826 SGD
A
Retailer 2
-
$5,043 SGD
View
Most Expensive
B+
Blue Nile
22390073 · Nov 5
$6,045 SGD
$4,733 USD
View
2 more retailers have this diamond
Prices start from $4,826 SGDSave up to $1,220 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
1.26ct Round
$4,826 SGD