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Round|Natural|IGI

1.51ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 737595418

Shape and cutting style on the report: Round brilliant

Certificate IGI 737595418

Diamond specifications and retailer prices

From $4,511 SGD
$3,529 USD
As of October 31, 2026
Save $4,421 SGD (49%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,539 SGD at NZ Jewellers · As of September 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 737595418. Listed at 22 retailers as of October 30, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 737595418
Dimensions7.25 × 7.29 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.25 mm7.29 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737595418
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 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: Oct 31
Current: $8,877 SGD|Low: $4,485 SGD|High: $9,243 SGD|Avg: $5,758 SGD
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
November 1, 2026
Retailer 16$4,511 SGD
Retailer 11$4,653 SGD
Retailer 4$4,731 SGD
Retailer 13$4,816 SGD
Retailer 3$4,912 SGD
Retailer 7$5,096 SGD
Retailer 10$5,273 SGD
Retailer 6$5,285 SGD
Retailer 12$5,310 SGD
Retailer 9$5,315 SGD
Retailer 2$5,777 SGD
Retailer 14$5,869 SGD
Retailer 8$5,879 SGD
Retailer 15$6,302 SGD
Retailer 5$8,850 SGD
NZ Jewellers$8,877 SGD

26 data points across 16 retailers

22 retailers$4,511 SGD to $8,932 SGD

A
Cheapest Retailer
-
$4,511 SGD
$3,529 USD
A
Retailer 2
-
$4,653 SGD
$3,640 USD
View
A
Retailer 3
-
$4,731 SGD
$3,701 USD
View
Final sale: no returns
A
Retailer 4
-
$4,816 SGD
$3,767 USD
View
A
Retailer 5
-
$4,912 SGD
$3,843 USD
View
Retailer 6
-
$5,096 SGD
$3,986 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$5,273 SGD
£3,248 GBP
View
Retailer 8
-
$5,285 SGD
$4,134 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$5,310 SGD
£3,271 GBP
View
A
Retailer 10
-
$5,315 SGD
$4,158 USD
View
Retailer 11
-
$5,475 SGD
$4,283 USD
View
Price last confirmed 31 days ago
Retailer 12
-
$5,475 SGD
$4,283 USD
View
Price last confirmed 32 days ago
A
Retailer 13
-
$5,777 SGD
€4,304 EUR
View
A
Retailer 14
-
$5,869 SGD
£3,615 GBP
View
Retailer 15
-
$5,879 SGD
$4,599 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$6,098 SGD
$4,770 USD
View
B+
Retailer 17
-
$6,302 SGD
ZAR 79,639 ZAR
View
Retailer 18
-
$6,318 SGD
$4,942 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$8,850 SGD
£5,451 GBP
View
Retailer 20
-
$8,877 SGD
$6,944 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
$8,932 SGD
$6,987 USD
View
Most Expensive
NZ Jewellers
378d14ef-95a0-4c91-b5f4-1f59cae4dd14 · Sep 26
$9,539 SGD
$7,462 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from $4,511 SGDSave up to $4,421 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
$4,511 SGD