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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6521025685

Certificate GIA 6521025685

Diamond specifications and retailer prices

From $5,694 USD
As of October 29, 2026
Save $7,105 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,799 USD 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521025685. Listed at 18 retailers as of October 29, 2026, with prices from $5,694 to $12,799, a $7,105 spread on the same certified stone. NZ Jewellers lists it at $12,799. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521025685
Dimensions7.31 × 7.27 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.31 mm7.27 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521025685
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 29
Current: $7,931 USD|Low: $5,550 USD|High: $10,792 USD|Avg: $7,454 USD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$5,694 USD
Retailer 5$5,785 USD
Retailer 6$6,398 USD
Retailer 4$6,399 USD
Retailer 2$7,166 USD
Retailer 1$7,931 USD
Retailer 8$8,432 USD
Retailer 3$10,721 USD

40 data points across 8 retailers

18 retailers$5,694 USD to $12,799 USD

A
Cheapest Retailer
-
$5,694 USD
A
Retailer 2
-
$5,776 USD
View
Retailer 3
-
$5,785 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$6,046 USD
View
B+
Retailer 5
-
$6,398 USD
View
Final sale: no returns
A
Retailer 6
-
$6,399 USD
View
B+
Retailer 7
-
$6,817 USD
View
B+
Retailer 8
-
$6,933 USD
View
B+
Retailer 9
-
$7,039 USD
View
B+
Retailer 10
-
$7,166 USD
£5,642 GBP
View
B+
Retailer 11
-
$7,570 USD
View
B+
Retailer 12
-
$7,570 USD
View
B+
Retailer 13
-
$7,820 USD
View
B+
Retailer 14
-
$7,931 USD
€7,553 EUR
View
B+
Retailer 15
-
$7,999 USD
View
Retailer 16
-
$8,432 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$10,721 USD
£8,442 GBP
View
Most Expensive
B
NZ Jewellers
57a3d89b-bc2c-4776-b3ea-1270dab81dc9 · Oct 30
$12,799 USD
View
17 more retailers have this diamond
Prices start from $5,694 USDSave up to $7,105 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
$5,694 USD