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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 €886 EUR
$986 USD
As of October 28, 2026
Save €1,607 EUR (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,493 EUR 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 28, 2026, with prices from €886 to €2,493, a €1,607 spread on the same certified stone. Moon Ocean lists it at €2,493. 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 28
Current: €2,493 EUR|Low: €841 EUR|High: €2,610 EUR|Avg: €1,349 EUR|-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€886 EUR
Retailer 11€919 EUR
Retailer 5€960 EUR
Retailer 7€960 EUR
Retailer 6€997 EUR
Retailer 10€1,105 EUR
Retailer 12€1,122 EUR
Retailer 2€1,133 EUR
Retailer 4€1,148 EUR
Retailer 8€1,769 EUR
Retailer 3€2,342 EUR
Moon Ocean€2,493 EUR

43 data points across 12 retailers

12 retailers€886 EUR to €2,493 EUR

A
Cheapest Retailer
-
€886 EUR
$986 USD
Final sale: no returns
A
Retailer 2
-
€919 EUR
$1,023 USD
View
A
Retailer 3
-
€960 EUR
$1,069 USD
View
A
Retailer 4
-
€960 EUR
$1,069 USD
View
A
Retailer 5
-
€997 EUR
$1,110 USD
View
A
Retailer 6
-
€1,105 EUR
$1,230 USD
View
A
Retailer 7
-
€1,122 EUR
£983 GBP
View
A
Retailer 8
-
€1,133 EUR
£993 GBP
View
A
Retailer 9
-
€1,148 EUR
$1,278 USD
View
B+
Retailer 10
-
€1,769 EUR
£1,550 GBP
View
B
Retailer 11
-
€2,342 EUR
$2,607 USD
View
Most Expensive
B
Moon Ocean
NVN-6C8419425-927 · Oct 30
€2,493 EUR
£2,185 GBP
View
11 more retailers have this diamond
Prices start from €886 EURSave up to €1,607 EUR

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
€886 EUR