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Round|Natural|IGI

1.50ct J IF Round Natural Diamond

EX • J/IF • IGI 801638671

Shape and cutting style on the report: Round brilliant

Certificate IGI 801638671

Diamond specifications and retailer prices

From $6,225 SGD
$4,869 USD
As of October 30, 2026
Save $5,712 SGD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,936 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 801638671. Listed at 18 retailers as of October 30, 2026, with prices from $6,225 to $11,936, a $5,712 spread on the same certified stone. NZ Jewellers lists it at $11,936. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 801638671
Dimensions7.31 × 7.38 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.31 mm7.38 mm1.50 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638671
Side View
Table 54.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.9%

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: $11,936 SGD|Low: $6,038 SGD|High: $11,936 SGD|Avg: $7,876 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
Retailer 17
Retailer 18
November 1, 2026
Retailer 10$6,225 SGD
Retailer 18$6,287 SGD
Retailer 16$6,588 SGD
Retailer 7$6,673 SGD
Retailer 11$7,054 SGD
Retailer 5$7,137 SGD
Retailer 6$7,137 SGD
Retailer 12$7,137 SGD
Retailer 4$7,142 SGD
Retailer 3$7,290 SGD
Retailer 9$7,334 SGD
Retailer 15$7,793 SGD
Retailer 14$8,077 SGD
Retailer 17$8,235 SGD
Retailer 13$8,773 SGD
Retailer 8$10,631 SGD
Retailer 2$11,367 SGD
NZ Jewellers$11,936 SGD

35 data points across 18 retailers

18 retailers$6,225 SGD to $11,936 SGD

A
Cheapest Retailer
-
$6,225 SGD
$4,869 USD
A
Retailer 2
-
$6,287 SGD
$4,918 USD
View
A
Retailer 3
-
$6,588 SGD
$5,153 USD
View
Final sale: no returns
A
Retailer 4
-
$6,673 SGD
$5,220 USD
View
A
Retailer 5
-
$7,054 SGD
£4,345 GBP
View
A
Retailer 6
-
$7,137 SGD
$5,583 USD
View
A
Retailer 7
-
$7,137 SGD
$5,583 USD
View
A
Retailer 8
-
$7,137 SGD
$5,583 USD
View
Retailer 9
-
$7,142 SGD
£4,399 GBP
View
Price last confirmed 32 days ago
A
Retailer 10
-
$7,290 SGD
$5,702 USD
View
A
Retailer 11
-
$7,334 SGD
$5,737 USD
View
B+
Retailer 12
-
$7,793 SGD
£4,800 GBP
View
B+
Retailer 13
-
$8,077 SGD
€6,017 EUR
View
B+
Retailer 14
-
$8,235 SGD
$6,442 USD
View
B+
Retailer 15
-
$8,773 SGD
ZAR 110,863 ZAR
View
B+
Retailer 16
-
$10,631 SGD
$8,316 USD
View
B+
Retailer 17
-
$11,367 SGD
£7,001 GBP
View
Most Expensive
B
NZ Jewellers
d1f2f185-2f29-42dc-bd3e-7332a2f76f22 · Oct 30
$11,936 SGD
$9,337 USD
View
17 more retailers have this diamond
Prices start from $6,225 SGDSave up to $5,712 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
1.50ct Round
$6,225 SGD