Heart|Natural|GIA

0.68ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2538603150

Certificate GIA 2538603150

Diamond specifications and retailer prices

From $816 NZD
$459 USD
As of November 2, 2026
Save $242 NZD (23%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,057 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.68ct natural heart diamond

This 0.68ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2538603150. Listed at 5 retailers as of October 31, 2026, with prices from $816 to $1,057, a $242 spread on the same certified stone. Blue Nile lists it at $1,057. 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

0.68
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2538603150
Dimensions6.28 × 5.33 × 3.70 mm
L/W Ratio1.18
Top View
6.28 mm5.33 mm0.68 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2538603150
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,057 NZD|Low: $784 NZD|High: $1,276 NZD|Avg: $1,026 NZD|-17.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 4$816 NZD
Retailer 5$893 NZD
Retailer 2$1,024 NZD
Retailer 3$1,049 NZD
Blue Nile$1,057 NZD

40 data points across 5 retailers

5 retailers$816 NZD to $1,057 NZD

A
Cheapest Retailer
-
$816 NZD
$459 USD
Final sale: no returns
A
Retailer 2
-
$893 NZD
SGD 679 SGD
View
A
Retailer 3
-
$1,024 NZD
£454 GBP
View
A
Retailer 4
-
$1,049 NZD
$590 USD
View
Most Expensive
A
Blue Nile
26783101 · Oct 31
$1,057 NZD
$595 USD
View
4 more retailers have this diamond
Prices start from $816 NZDSave up to $242 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
0.68ct Heart
$816 NZD