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Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6552108596

Certificate GIA 6552108596

Diamond specifications and retailer prices

From $5,814 NZD
HK$25,600 HKD
As of November 1, 2026
Save $2,726 NZD (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,140 NZD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6552108596. Listed at 8 retailers as of November 1, 2026, with a 47% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552108596
Dimensions7.28 × 7.33 × 4.54 mm
L/W Ratio1.01
Top View
7.28 mm7.33 mm1.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552108596
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.2%

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: $7,010 NZD|Low: $5,655 NZD|High: $12,322 NZD|Avg: $8,073 NZD|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$5,814 NZD
Retailer 10$6,233 NZD
Retailer 3$6,338 NZD
Retailer 7$6,497 NZD
Retailer 6$6,504 NZD
Retailer 1$7,010 NZD
Retailer 2$8,263 NZD
Retailer 4$8,540 NZD
Retailer 9$9,786 NZD
Retailer 8$11,668 NZD

25 data points across 10 retailers

8 retailers$5,814 NZD to $8,540 NZD

A
Cheapest Retailer
-
$5,814 NZD
HK$25,600 HKD
A
Retailer 2
-
$6,338 NZD
$3,572 USD
View
Final sale: no returns
A
Retailer 3
-
$6,497 NZD
$3,662 USD
View
B+
Retailer 4
-
$6,504 NZD
$3,666 USD
View
B+
Retailer 5
-
$7,010 NZD
$3,951 USD
View
B+
Retailer 6
-
$8,540 NZD
€4,584 EUR
View
Retailer 7
-
$11,668 NZD
$6,576 USD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
a6b90b78-ca4d-4cee-973f-84374f6b6915 · Oct 17
$13,140 NZD
$7,406 USD
View
Price last confirmed 15 days ago
7 more retailers have this diamond
Prices start from $5,814 NZDSave up to $2,726 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
$5,814 NZD