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1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1415840386

Certificate GIA 1415840386

Diamond specifications and retailer prices

From $7,102 SGD
$5,555 USD
As of October 30, 2026
Save $8,363 SGD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,465 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 1415840386. Listed at 19 retailers as of October 30, 2026, with prices from $7,102 to $15,465, a $8,363 spread on the same certified stone. NZ Jewellers lists it at $15,465. 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°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1415840386
Dimensions7.35 × 7.34 × 4.49 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.35 mm7.34 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1415840386
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $15,465 SGD|Low: $6,966 SGD|High: $16,066 SGD|Avg: $9,685 SGD|-3.7%
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 12$7,018 SGD
Retailer 16$7,102 SGD
Retailer 4$7,305 SGD
Retailer 5$7,732 SGD
Retailer 14$7,733 SGD
Retailer 17$8,247 SGD
Retailer 8$8,377 SGD
Retailer 15$8,506 SGD
Retailer 11$8,808 SGD
Retailer 6$9,192 SGD
Retailer 13$9,192 SGD
Retailer 7$9,499 SGD
Retailer 2$9,514 SGD
Retailer 9$9,666 SGD
Retailer 3$10,190 SGD
Retailer 10$12,886 SGD
NZ Jewellers$15,465 SGD

41 data points across 17 retailers

19 retailers$7,102 SGD to $15,465 SGD

Retailer 1
-
$7,018 SGD
$5,490 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$7,102 SGD
$5,555 USD
View
B+
Retailer 3
-
$7,305 SGD
$5,714 USD
View
B
Retailer 4
-
$7,587 SGD
A$9,131 AUD
View
Retailer 5
-
$7,661 SGD
$5,993 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$7,732 SGD
$6,048 USD
View
Final sale: no returns
B
Retailer 7
-
$7,733 SGD
$6,049 USD
View
B
Retailer 8
-
$8,247 SGD
$6,451 USD
View
B
Retailer 9
-
$8,377 SGD
$6,553 USD
View
B
Retailer 10
-
$8,506 SGD
$6,654 USD
View
B
Retailer 11
-
$8,808 SGD
£5,425 GBP
View
B
Retailer 12
-
$9,192 SGD
$7,190 USD
View
B
Retailer 13
-
$9,192 SGD
$7,190 USD
View
B
Retailer 14
-
$9,499 SGD
$7,430 USD
View
B
Retailer 15
-
$9,514 SGD
€7,088 EUR
View
B
Retailer 16
-
$9,666 SGD
$7,561 USD
View
Retailer 17
-
$10,190 SGD
$7,971 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$12,886 SGD
£7,937 GBP
View
Most Expensive
B
NZ Jewellers
a0390c18-3dae-4db9-8e16-bdab1875caac · Oct 30
$15,465 SGD
$12,097 USD
View
18 more retailers have this diamond
Prices start from $7,102 SGDSave up to $8,363 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
$7,102 SGD