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Round|Natural|GIA

1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 2537660316

Certificate GIA 2537660316

Diamond specifications and retailer prices

From $3,485 USD
As of November 1, 2026
Save $3,523 USD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,008 USD at NZ Jewellers · As of October 27, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2537660316. Listed at 9 retailers as of October 27, 2026, with prices from $3,485 to $7,008, a $3,523 spread on the same certified stone. NZ Jewellers lists it at $7,008. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2537660316
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2537660316
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°CuletDepth 62.7%

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 1
Current: $7,008 USD|Low: $3,485 USD|High: $7,008 USD|Avg: $4,368 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$3,485 USD
Retailer 11$3,539 USD
Retailer 4$3,686 USD
Retailer 9$3,900 USD
Retailer 6$4,022 USD
Retailer 7$4,022 USD
Retailer 3$4,306 USD
Retailer 2$4,533 USD
Retailer 8$4,641 USD
Retailer 10$4,787 USD
NZ Jewellers$7,008 USD

24 data points across 11 retailers

9 retailers$3,485 USD to $7,008 USD

A
Cheapest Retailer
-
$3,485 USD
B+
Retailer 2
-
$3,539 USD
View
B+
Retailer 3
-
$3,686 USD
View
B+
Retailer 4
-
$3,900 USD
View
Retailer 5
-
$4,022 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$4,022 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$4,533 USD
€4,317 EUR
View
B+
Retailer 8
-
$4,641 USD
View
Most Expensive
B
NZ Jewellers
792c9c3b-183e-4d9d-9ad3-35cb36fcb84b · Oct 27
$7,008 USD
View
8 more retailers have this diamond
Prices start from $3,485 USDSave up to $3,523 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
$3,485 USD