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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 $6,194 NZD
$3,485 USD
As of November 1, 2026
Save $6,261 NZD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,455 NZD 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 $6,194 to $12,455, a $6,261 spread on the same certified stone. NZ Jewellers lists it at $12,455. 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
Colour
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: $12,455 NZD|Low: $6,194 NZD|High: $12,455 NZD|Avg: $7,762 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$6,194 NZD
Retailer 11$6,290 NZD
Retailer 4$6,551 NZD
Retailer 9$6,931 NZD
Retailer 6$7,148 NZD
Retailer 7$7,148 NZD
Retailer 3$7,653 NZD
Retailer 2$8,062 NZD
Retailer 8$8,248 NZD
Retailer 10$8,507 NZD
NZ Jewellers$12,455 NZD

25 data points across 11 retailers

9 retailers$6,194 NZD to $12,455 NZD

A
Cheapest Retailer
-
$6,194 NZD
$3,485 USD
B+
Retailer 2
-
$6,290 NZD
$3,539 USD
View
B+
Retailer 3
-
$6,551 NZD
$3,686 USD
View
B+
Retailer 4
-
$6,931 NZD
$3,900 USD
View
Retailer 5
-
$7,148 NZD
$4,022 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$7,148 NZD
$4,022 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$8,062 NZD
€4,320 EUR
View
B+
Retailer 8
-
$8,248 NZD
$4,641 USD
View
Most Expensive
B
NZ Jewellers
792c9c3b-183e-4d9d-9ad3-35cb36fcb84b · Oct 27
$12,455 NZD
$7,008 USD
View
8 more retailers have this diamond
Prices start from $6,194 NZDSave up to $6,261 NZD

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
$6,194 NZD