Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2524946820

Certificate GIA 2524946820

Diamond specifications and retailer prices

From $4,943 USD
As of October 30, 2026
Save $5,823 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,766 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2524946820. Listed at 16 retailers as of October 30, 2026, with prices from $4,943 to $10,766, a $5,823 spread on the same certified stone. NZ Jewellers lists it at $10,766. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2524946820
Dimensions7.33 × 7.28 × 4.56 mm
L/W Ratio1.01
Top View
7.33 mm7.28 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2524946820
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,766 USD|Low: $4,666 USD|High: $10,766 USD|Avg: $6,861 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$5,086 USD
Retailer 6$5,382 USD
Retailer 7$5,831 USD
Retailer 8$5,831 USD
Retailer 10$5,831 USD
Retailer 2$6,133 USD
Retailer 3$6,666 USD
Retailer 9$6,728 USD
Retailer 4$9,534 USD
NZ Jewellers$10,766 USD

39 data points across 10 retailers

16 retailers$4,943 USD to $10,766 USD

A
Cheapest Retailer
-
$4,943 USD
A
Retailer 2
-
$5,086 USD
View
B+
Retailer 3
-
$5,382 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,755 USD
View
B+
Retailer 5
-
$5,831 USD
View
B+
Retailer 6
-
$5,831 USD
View
B+
Retailer 7
-
$5,831 USD
View
B+
Retailer 8
-
$6,133 USD
£4,829 GBP
View
B+
Retailer 9
-
$6,390 USD
View
B+
Retailer 10
-
$6,390 USD
View
B+
Retailer 11
-
$6,600 USD
View
B+
Retailer 12
-
$6,666 USD
€6,349 EUR
View
B+
Retailer 13
-
$6,728 USD
View
Retailer 14
-
$7,097 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$9,534 USD
£7,507 GBP
View
Most Expensive
B
NZ Jewellers
c22c7d8a-13a1-4e3d-9dcf-84d9a624c886 · Oct 30
$10,766 USD
View
15 more retailers have this diamond
Prices start from $4,943 USDSave up to $5,823 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
$4,943 USD