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Heart|Natural|GIA

0.90ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6392431130

Certificate GIA 6392431130

Diamond specifications and retailer prices

From $4,072 NZD
$2,295 USD
As of October 31, 2026
Save $1,842 NZD (31%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,914 NZD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6392431130. Listed at 10 retailers as of October 31, 2026, with prices from $4,072 to $5,914, a $1,842 spread on the same certified stone. The Diamond Guys lists it at $5,914. 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

0.90
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392431130
Dimensions5.96 × 6.56 × 3.81 mm
L/W Ratio1.10
Top View
5.96 mm6.56 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392431130
Side View
Table 55.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,671 NZD|Low: $4,072 NZD|High: $5,914 NZD|Avg: $5,059 NZD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
November 2, 2026
Retailer 3$4,072 NZD
Retailer 9$4,200 NZD
Retailer 4$4,410 NZD
Retailer 2$5,071 NZD
Retailer 8$5,110 NZD
Retailer 6$5,341 NZD
Retailer 7$5,341 NZD
Retailer 5$5,518 NZD
Retailer 1$5,671 NZD
The Diamond Guys$5,914 NZD

20 data points across 10 retailers

10 retailers$4,072 NZD to $5,914 NZD

B
Cheapest Retailer
-
$4,072 NZD
$2,295 USD
B
Retailer 2
-
$4,200 NZD
$2,367 USD
View
B
Retailer 3
-
$4,410 NZD
$2,485 USD
View
B
Retailer 4
-
$5,071 NZD
$2,858 USD
View
B
Retailer 5
-
$5,110 NZD
CA$4,000 CAD
View
B
Retailer 6
-
$5,341 NZD
$3,010 USD
View
B
Retailer 7
-
$5,341 NZD
$3,010 USD
View
B
Retailer 8
-
$5,518 NZD
$3,110 USD
View
B
Retailer 9
-
$5,671 NZD
€3,044 EUR
View
Most Expensive
B
The Diamond Guys
1947489975 · Nov 2
$5,914 NZD
$3,333 USD
View
9 more retailers have this diamond
Prices start from $4,072 NZDSave up to $1,842 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.

B
0.90ct Heart
$4,072 NZD