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Heart|Natural|GIA

0.51ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 5231809266

Certificate GIA 5231809266

Diamond specifications and retailer prices

From $843 NZD
$475 USD
As of November 2, 2026
Save $957 NZD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,800 NZD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded I 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 5231809266. Listed at 2 retailers as of November 2, 2026, with prices from $843 to $1,800, a $957 spread on the same certified stone. 77 Diamonds lists it at $1,800. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231809266
Dimensions5.08 × 5.67 × 2.96 mm
L/W Ratio1.12
Top View
5.08 mm5.67 mm0.51 ctI / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5231809266
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 52.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,800 NZD|Low: $766 NZD|High: $1,804 NZD|Avg: $1,308 NZD|+2.2%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$843 NZD
77 Diamonds$1,800 NZD

33 data points across 2 retailers

2 retailers$843 NZD to $1,800 NZD

A
Cheapest Retailer
-
$843 NZD
$475 USD
Final sale: no returns
Most Expensive
B
77 Diamonds
HSCF7HGUYYXV · Nov 2
$1,800 NZD
£799 GBP
View
1 more retailer has this diamond
Prices start from $843 NZDSave up to $957 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
0.51ct Heart
$843 NZD