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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7566111843

Certificate GIA 7566111843

Diamond specifications and retailer prices

From $4,422 SGD
As of November 4, 2026
Save $3,393 SGD (43%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,475 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566111843. Listed at 18 retailers as of November 4, 2026, with a 77% 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7566111843
Dimensions7.33 × 7.30 × 4.59 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
7.33 mm7.30 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566111843
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NDepth 62.7%

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 4
Current: $10,475 SGD|Low: $4,422 SGD|High: $12,262 SGD|Avg: $6,827 SGD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 3$4,422 SGD
Retailer 16$4,841 SGD
Retailer 17$5,076 SGD
Retailer 10$5,900 SGD
Retailer 12$5,939 SGD
Retailer 5$6,012 SGD
Retailer 6$6,012 SGD
Retailer 8$6,012 SGD
Retailer 14$6,131 SGD
Retailer 15$6,131 SGD
Retailer 4$6,204 SGD
Retailer 11$6,335 SGD
Retailer 13$6,820 SGD
Retailer 9$6,937 SGD
Retailer 2$7,815 SGD
Retailer 7$9,627 SGD
NZ Jewellers$10,475 SGD

23 data points across 17 retailers

18 retailers$4,422 SGD to $7,815 SGD

A
Cheapest Retailer
-
$4,422 SGD
A
Retailer 2
-
$4,841 SGD
View
B+
Retailer 3
-
$5,076 SGD
View
Final sale: no returns
B+
Retailer 4
-
$5,900 SGD
View
B+
Retailer 5
-
$5,939 SGD
View
Retailer 6
-
$6,012 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$6,012 SGD
View
Price last confirmed 8 days ago
Retailer 8
-
$6,012 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$6,131 SGD
View
B+
Retailer 10
-
$6,131 SGD
View
Retailer 11
-
$6,204 SGD
View
Price last confirmed 7 days ago
Retailer 12
-
$6,284 SGD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$6,335 SGD
View
B
Retailer 14
-
$6,820 SGD
View
B
Retailer 15
-
$6,937 SGD
View
B
Retailer 16
-
$7,815 SGD
View
Retailer 17
-
$9,627 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
0758b436-926d-41b7-9da1-32895e0537e0 · Oct 30
$10,475 SGD
$8,201 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $4,422 SGDSave up to $3,393 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
1.51ct Round
$4,422 SGD