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Heart|Natural|GIA

1.51ct G VS1 Heart Natural Diamond

EX • G/VS1 • GIA 6237686012

Certificate GIA 6237686012

Diamond specifications and retailer prices

From $10,360 NZD
As of November 4, 2026
Save $10,360 NZD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,721 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237686012. Listed at 14 retailers as of November 4, 2026, with prices from $10,360 to $20,721, a $10,360 spread on the same certified stone. NZ Jewellers lists it at $20,721. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle39.2°
OriginNatural
Grading LabGIA
CertificateGIA 6237686012
Dimensions6.88 × 7.89 × 4.61 mm
L/W Ratio1.15
Top View
6.88 mm7.89 mm1.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6237686012
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.4%

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: $20,721 NZD|Low: $9,496 NZD|High: $23,222 NZD|Avg: $13,748 NZD|-10.8%
NZ Jewellers
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
November 5, 2026
Retailer 8$10,360 NZD
Retailer 14$10,469 NZD
Retailer 3$10,716 NZD
Retailer 11$11,542 NZD
Retailer 13$11,785 NZD
Retailer 2$11,887 NZD
Retailer 4$11,954 NZD
Retailer 10$12,612 NZD
Retailer 12$12,612 NZD
Retailer 9$13,022 NZD
Retailer 6$16,891 NZD
Retailer 5$18,136 NZD
Retailer 7$18,203 NZD
NZ Jewellers$20,721 NZD

43 data points across 14 retailers

14 retailers$10,360 NZD to $20,721 NZD

A
Cheapest Retailer
-
$10,360 NZD
Final sale: no returns
A
Retailer 2
-
$10,469 NZD
View
A
Retailer 3
-
$10,716 NZD
View
A
Retailer 4
-
$11,542 NZD
View
A
Retailer 5
-
$11,785 NZD
View
A
Retailer 6
-
$11,887 NZD
View
A
Retailer 7
-
$11,954 NZD
View
A
Retailer 8
-
$12,612 NZD
View
A
Retailer 9
-
$12,612 NZD
View
A
Retailer 10
-
$13,022 NZD
View
A
Retailer 11
-
$13,529 NZD
View
B+
Retailer 12
-
$18,136 NZD
View
B+
Retailer 13
-
$18,203 NZD
View
Most Expensive
B
NZ Jewellers
d52b4d7c-20ee-4b95-a516-58473b7bbf85 · Nov 5
$20,721 NZD
$11,648 USD
View
13 more retailers have this diamond
Prices start from $10,360 NZDSave up to $10,360 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 Heart
$10,360 NZD