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Round|Natural|GIA

1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6445671090

Certificate GIA 6445671090

Diamond specifications and retailer prices

From $2,455 SGD
HK$15,000 HKD
As of October 30, 2026
Save $4,488 SGD (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,943 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6445671090. Listed at 13 retailers as of October 30, 2026, with prices from $2,455 to $6,943, a $4,488 spread on the same certified stone. NZ Jewellers lists it at $6,943. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6445671090
Dimensions6.87 × 6.83 × 4.31 mm
L/W Ratio1.01
Top View
6.87 mm6.83 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6445671090
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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: Oct 30
Current: $3,528 SGD|Low: $2,455 SGD|High: $6,494 SGD|Avg: $3,763 SGD|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$2,455 SGD
Retailer 6$2,640 SGD
Retailer 10$2,777 SGD
Retailer 9$2,979 SGD
Retailer 7$3,008 SGD
Retailer 2$3,187 SGD
Retailer 1$3,528 SGD
Retailer 4$3,761 SGD
Retailer 11$4,454 SGD
Retailer 3$4,566 SGD
Retailer 5$5,850 SGD

39 data points across 11 retailers

13 retailers$2,455 SGD to $6,943 SGD

A
Cheapest Retailer
-
$2,455 SGD
HK$15,000 HKD
A
Retailer 2
-
$2,640 SGD
$2,065 USD
View
A
Retailer 3
-
$2,777 SGD
$2,172 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,979 SGD
$2,330 USD
View
B+
Retailer 5
-
$3,008 SGD
$2,353 USD
View
B+
Retailer 6
-
$3,008 SGD
$2,353 USD
View
A
Retailer 7
-
$3,147 SGD
$2,462 USD
View
B+
Retailer 8
-
$3,471 SGD
$2,715 USD
View
B+
Retailer 9
-
$3,528 SGD
£2,173 GBP
View
B+
Retailer 10
-
$3,761 SGD
€2,802 EUR
View
Retailer 11
-
$4,454 SGD
$3,484 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$5,850 SGD
£3,603 GBP
View
Most Expensive
C
NZ Jewellers
a1949a10-952a-466a-aab5-f5bd6a4c9967 · Oct 30
$6,943 SGD
$5,431 USD
View
12 more retailers have this diamond
Prices start from $2,455 SGDSave up to $4,488 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
$2,455 SGD