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1.25ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6555813150

Certificate GIA 6555813150

Diamond specifications and retailer prices

From $7,818 SGD
As of November 4, 2026
Save $7,175 SGD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,993 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct 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 6555813150. Listed at 9 retailers as of November 4, 2026, with prices from $7,818 to $14,993, a $7,175 spread on the same certified stone. NZ Jewellers lists it at $14,993. 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

1.25
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6555813150
Dimensions6.85 × 6.88 × 4.31 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Needle
Top View
6.85 mm6.88 mm1.25 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555813150
Side View
Table 58.0%Crown 35°GirdlePavilion 41.4°CuletDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,371 SGD|Low: $7,359 SGD|High: $13,045 SGD|Avg: $9,169 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$7,359 SGD
Retailer 4$7,818 SGD
Retailer 5$8,274 SGD
Retailer 1$8,371 SGD
Retailer 2$9,732 SGD
Retailer 3$12,855 SGD

37 data points across 6 retailers

9 retailers$7,818 SGD to $14,993 SGD

B+
Cheapest Retailer
-
$7,818 SGD
Retailer 2
-
$8,274 SGD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$8,371 SGD
View
B+
Retailer 4
-
$8,964 SGD
View
B
Retailer 5
-
$9,102 SGD
View
B
Retailer 6
-
$9,732 SGD
View
B
Retailer 7
-
$10,344 SGD
View
B
Retailer 8
-
$12,855 SGD
View
Most Expensive
B
NZ Jewellers
0b0fd54a-56a9-45de-b4bd-79a0249ff3cb · Nov 5
$14,993 SGD
$11,738 USD
View
8 more retailers have this diamond
Prices start from $7,818 SGDSave up to $7,175 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.

B+
1.25ct Round
$7,818 SGD