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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6432628844

Certificate GIA 6432628844

Diamond specifications and retailer prices

From $5,133 SGD
$4,015 USD
As of October 30, 2026
Save $5,732 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,865 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 6432628844. Listed at 16 retailers as of October 30, 2026, with prices from $5,133 to $10,865, a $5,732 spread on the same certified stone. NZ Jewellers lists it at $10,865. 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
OriginNatural
Grading LabGIA
CertificateGIA 6432628844
Dimensions7.34 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432628844
Side View
Table 56.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 62.5%

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: Oct 30
Current: $10,865 SGD|Low: $5,133 SGD|High: $11,465 SGD|Avg: $7,187 SGD|-5.2%
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 1, 2026
Retailer 4$5,133 SGD
Retailer 3$5,243 SGD
Retailer 5$5,432 SGD
Retailer 6$5,478 SGD
Retailer 8$5,804 SGD
Retailer 16$5,844 SGD
Retailer 13$5,884 SGD
Retailer 14$5,884 SGD
Retailer 15$5,884 SGD
Retailer 10$6,418 SGD
Retailer 12$6,791 SGD
Retailer 2$7,320 SGD
Retailer 7$7,564 SGD
Retailer 9$8,342 SGD
Retailer 11$8,431 SGD
Retailer 17$10,360 SGD
NZ Jewellers$10,865 SGD

24 data points across 17 retailers

16 retailers$5,133 SGD to $10,865 SGD

B+
Cheapest Retailer
-
$5,133 SGD
$4,015 USD
B+
Retailer 2
-
$5,243 SGD
$4,101 USD
View
B+
Retailer 3
-
$5,432 SGD
$4,249 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,478 SGD
$4,285 USD
View
B+
Retailer 5
-
$5,804 SGD
$4,540 USD
View
B+
Retailer 6
-
$5,844 SGD
$4,571 USD
View
B+
Retailer 7
-
$5,884 SGD
$4,603 USD
View
B+
Retailer 8
-
$5,884 SGD
$4,603 USD
View
B+
Retailer 9
-
$5,884 SGD
$4,603 USD
View
B+
Retailer 10
-
$6,418 SGD
£3,953 GBP
View
B
Retailer 11
-
$6,791 SGD
$5,312 USD
View
B+
Retailer 12
-
$7,320 SGD
€5,453 EUR
View
Retailer 13
-
$7,564 SGD
$5,917 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$8,431 SGD
£5,193 GBP
View
B
Retailer 15
-
$10,360 SGD
£6,381 GBP
View
Most Expensive
B
NZ Jewellers
03625e64-819b-4461-92f3-69210ba19a8f · Oct 30
$10,865 SGD
$8,499 USD
View
15 more retailers have this diamond
Prices start from $5,133 SGDSave up to $5,732 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+
1.51ct Round
$5,133 SGD