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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 $4,627 USD
As of October 30, 2026
Save $5,613 USD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,240 USD 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 $4,627 to $10,240, a $5,613 spread on the same certified stone. NZ Jewellers lists it at $10,240. 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
Color
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: $10,240 USD|Low: $4,224 USD|High: $10,240 USD|Avg: $6,002 USD
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$4,224 USD
Retailer 10$4,627 USD
Retailer 7$4,700 USD
Retailer 9$4,837 USD
Retailer 11$4,899 USD
Retailer 6$5,481 USD
Retailer 8$5,546 USD
Retailer 18$5,546 USD
Retailer 19$5,546 USD
Retailer 21$5,806 USD
Retailer 15$5,834 USD
Retailer 12$6,036 USD
Retailer 3$6,200 USD
Retailer 20$6,200 USD
Retailer 2$6,322 USD
Retailer 5$6,400 USD
Retailer 16$6,400 USD
Retailer 13$6,642 USD
Retailer 4$8,870 USD
Retailer 17$9,032 USD
NZ Jewellers$10,240 USD

32 data points across 21 retailers

22 retailers$4,627 USD to $10,240 USD

Retailer 1
-
$4,224 USD
HK$33,000 HKD
Price last confirmed 50 days ago
A
Retailer 2
-
$4,627 USD
View
Retailer 3
-
$4,700 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$4,837 USD
View
A
Retailer 5
-
$4,899 USD
View
A
Retailer 6
-
$5,039 USD
A$7,752 AUD
View
B+
Retailer 7
-
$5,481 USD
View
B+
Retailer 8
-
$5,546 USD
View
B+
Retailer 9
-
$5,546 USD
View
B+
Retailer 10
-
$5,546 USD
View
B+
Retailer 11
-
$5,806 USD
View
B+
Retailer 12
-
$5,834 USD
£4,594 GBP
View
Retailer 13
-
$6,036 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
$6,200 USD
View
B+
Retailer 15
-
$6,200 USD
View
B+
Retailer 16
-
$6,322 USD
€6,021 EUR
View
B+
Retailer 17
-
$6,400 USD
View
B+
Retailer 18
-
$6,400 USD
View
B+
Retailer 19
-
$6,642 USD
£5,230 GBP
View
B
Retailer 20
-
$8,870 USD
View
B
Retailer 21
-
$9,032 USD
£7,112 GBP
View
Most Expensive
B
NZ Jewellers
6a24d490-60d2-49bc-afd6-38d392c3b7e6 · Oct 27
$10,240 USD
View
21 more retailers have this diamond
Prices start from $4,627 USDSave up to $5,613 USD

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
$4,627 USD