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Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6535460829

Certificate GIA 6535460829

Diamond specifications and retailer prices

From $2,380 USD
As of November 4, 2026
Save $7,488 USD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,868 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct 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 6535460829. Listed at 16 retailers as of November 4, 2026, with prices from $2,380 to $9,868, a $7,488 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,868. 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

1.51
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6535460829
Dimensions7.38 × 7.33 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.38 mm7.33 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535460829
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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: Nov 4
Current: $6,982 USD|Low: $2,380 USD|High: $9,868 USD|Avg: $4,968 USD|-0.3%
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 15$2,380 USD
Retailer 7$2,669 USD
Retailer 13$2,767 USD
Retailer 14$2,874 USD
Retailer 6$2,877 USD
Retailer 8$3,129 USD
Retailer 16$3,193 USD
Retailer 9$5,048 USD
Retailer 17$5,741 USD
Retailer 10$5,760 USD
Retailer 12$5,786 USD
Retailer 18$6,423 USD
Retailer 2$6,504 USD
Retailer 3$6,870 USD
Retailer 4$6,870 USD
Retailer 11$6,963 USD
Retailer 1$6,982 USD
Retailer 5$7,100 USD
Wholesale Diamonds Direct$9,868 USD

28 data points across 19 retailers

16 retailers$2,380 USD to $9,868 USD

A
Cheapest Retailer
-
$2,380 USD
A
Retailer 2
-
$2,669 USD
View
A
Retailer 3
-
$2,767 USD
View
A
Retailer 4
-
$2,874 USD
View
Retailer 5
-
$2,877 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$3,193 USD
View
B+
Retailer 7
-
$5,741 USD
View
B+
Retailer 8
-
$5,786 USD
View
B+
Retailer 9
-
$6,423 USD
View
B+
Retailer 10
-
$6,504 USD
View
B
Retailer 11
-
$6,870 USD
View
B
Retailer 12
-
$6,870 USD
View
B+
Retailer 13
-
$6,963 USD
View
B+
Retailer 14
-
$6,982 USD
View
B
Retailer 15
-
$7,100 USD
View
Most Expensive
B
Wholesale Diamonds Direct
623164163 · Nov 4
$9,868 USD
View
15 more retailers have this diamond
Prices start from $2,380 USDSave up to $7,488 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
1.51ct Round
$2,380 USD