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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6531235342

Certificate GIA 6531235342

Diamond specifications and retailer prices

From $5,915 SGD
$4,627 USD
As of October 30, 2026
Save $7,176 SGD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,091 SGD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531235342. Listed at 22 retailers as of October 27, 2026, with prices from $5,915 to $13,091, a $7,176 spread on the same certified stone. NZ Jewellers lists it at $13,091. 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

1.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531235342
Dimensions7.31 × 7.34 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Feather, Crystal, Needle, Natural
Top View
7.31 mm7.34 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531235342
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: $13,091 SGD|Low: $5,400 SGD|High: $13,091 SGD|Avg: $7,673 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
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 14$5,400 SGD
Retailer 10$5,915 SGD
Retailer 7$6,008 SGD
Retailer 9$6,184 SGD
Retailer 11$6,263 SGD
Retailer 6$7,006 SGD
Retailer 8$7,090 SGD
Retailer 18$7,090 SGD
Retailer 19$7,090 SGD
Retailer 21$7,422 SGD
Retailer 15$7,458 SGD
Retailer 12$7,716 SGD
Retailer 3$7,926 SGD
Retailer 20$7,926 SGD
Retailer 2$8,082 SGD
Retailer 5$8,182 SGD
Retailer 16$8,182 SGD
Retailer 13$8,491 SGD
Retailer 4$11,340 SGD
Retailer 17$11,547 SGD
NZ Jewellers$13,091 SGD

32 data points across 21 retailers

22 retailers$5,915 SGD to $13,091 SGD

Retailer 1
-
$5,400 SGD
HK$33,000 HKD
Price last confirmed 51 days ago
A
Retailer 2
-
$5,915 SGD
$4,627 USD
View
Retailer 3
-
$6,008 SGD
$4,700 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$6,184 SGD
$4,837 USD
View
A
Retailer 5
-
$6,263 SGD
$4,899 USD
View
A
Retailer 6
-
$6,441 SGD
A$7,752 AUD
View
B+
Retailer 7
-
$7,006 SGD
$5,481 USD
View
B+
Retailer 8
-
$7,090 SGD
$5,546 USD
View
B+
Retailer 9
-
$7,090 SGD
$5,546 USD
View
B+
Retailer 10
-
$7,090 SGD
$5,546 USD
View
B+
Retailer 11
-
$7,422 SGD
$5,806 USD
View
B+
Retailer 12
-
$7,458 SGD
£4,594 GBP
View
Retailer 13
-
$7,716 SGD
$6,036 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
$7,926 SGD
$6,200 USD
View
B+
Retailer 15
-
$7,926 SGD
$6,200 USD
View
B+
Retailer 16
-
$8,082 SGD
€6,021 EUR
View
B+
Retailer 17
-
$8,182 SGD
$6,400 USD
View
B+
Retailer 18
-
$8,182 SGD
$6,400 USD
View
B+
Retailer 19
-
$8,491 SGD
£5,230 GBP
View
B
Retailer 20
-
$11,340 SGD
$8,870 USD
View
B
Retailer 21
-
$11,547 SGD
£7,112 GBP
View
Most Expensive
B
NZ Jewellers
6a24d490-60d2-49bc-afd6-38d392c3b7e6 · Oct 27
$13,091 SGD
$10,240 USD
View
21 more retailers have this diamond
Prices start from $5,915 SGDSave up to $7,176 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
$5,915 SGD