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Heart|Natural|GIA

0.91ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 2537718927

Certificate GIA 2537718927

Diamond specifications and retailer prices

From $1,756 NZD
$986 USD
As of October 30, 2026
Save $3,184 NZD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,940 NZD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537718927. Listed at 12 retailers as of October 30, 2026, with prices from $1,756 to $4,940, a $3,184 spread on the same certified stone. Moon Ocean lists it at $4,940. 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

0.91
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle39.32°
Pavilion angle39.29°
OriginNatural
Grading LabGIA
CertificateGIA 2537718927
Dimensions5.79 × 6.60 × 3.92 mm
L/W Ratio1.14
Top View
5.79 mm6.60 mm0.91 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537718927
Side View
Table 56.0%Crown 39.32°Girdle: STK-ETKPavilion 39.29°Culet: NoneDepth 59.4%

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: Oct 30
Current: $4,940 NZD|Low: $1,667 NZD|High: $5,172 NZD|Avg: $2,673 NZD|-4.1%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9$1,756 NZD
Retailer 11$1,821 NZD
Retailer 5$1,903 NZD
Retailer 7$1,903 NZD
Retailer 6$1,976 NZD
Retailer 10$2,190 NZD
Retailer 12$2,223 NZD
Retailer 2$2,245 NZD
Retailer 4$2,275 NZD
Retailer 8$3,505 NZD
Retailer 3$4,642 NZD
Moon Ocean$4,940 NZD

43 data points across 12 retailers

12 retailers$1,756 NZD to $4,940 NZD

A
Cheapest Retailer
-
$1,756 NZD
$986 USD
Final sale: no returns
A
Retailer 2
-
$1,821 NZD
$1,023 USD
View
A
Retailer 3
-
$1,903 NZD
$1,069 USD
View
A
Retailer 4
-
$1,903 NZD
$1,069 USD
View
A
Retailer 5
-
$1,976 NZD
$1,110 USD
View
A
Retailer 6
-
$2,190 NZD
$1,230 USD
View
A
Retailer 7
-
$2,223 NZD
£983 GBP
View
A
Retailer 8
-
$2,245 NZD
£993 GBP
View
A
Retailer 9
-
$2,275 NZD
$1,278 USD
View
B+
Retailer 10
-
$3,505 NZD
£1,550 GBP
View
B
Retailer 11
-
$4,642 NZD
$2,607 USD
View
Most Expensive
B
Moon Ocean
NVN-6C8419425-927 · Oct 30
$4,940 NZD
£2,185 GBP
View
11 more retailers have this diamond
Prices start from $1,756 NZDSave up to $3,184 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
0.91ct Heart
$1,756 NZD