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Heart|Natural|GIA

0.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 6532760705

Certificate GIA 6532760705

Diamond specifications and retailer prices

From $880 NZD
As of November 6, 2026
Save $300 NZD (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,181 NZD at 77 Diamonds · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532760705. Listed at 3 retailers as of November 5, 2026, with prices from $880 to $1,181, a $300 spread on the same certified stone. 77 Diamonds lists it at $1,181. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532760705
Dimensions4.81 × 5.67 × 3.34 mm
L/W Ratio1.18
Top View
4.81 mm5.67 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532760705
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,181 NZD|Low: $777 NZD|High: $1,263 NZD|Avg: $1,028 NZD|+3.4%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 2$880 NZD
Retailer 3$1,113 NZD
77 Diamonds$1,181 NZD

34 data points across 3 retailers

3 retailers$880 NZD to $1,181 NZD

A
Cheapest Retailer
-
$880 NZD
Final sale: no returns
Retailer 2
-
$1,113 NZD
View
Price last confirmed 13 days ago
Most Expensive
B+
77 Diamonds
HSCPA2CGAGFF · Nov 5
$1,181 NZD
£515 GBP
View
2 more retailers have this diamond
Prices start from $880 NZDSave up to $300 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
$880 NZD