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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 €883 EUR
$986 USD
As of October 31, 2026
Save €1,593 EUR (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,476 EUR at Moon Ocean · As of November 1, 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 31, 2026, with prices from €883 to €2,476, a €1,593 spread on the same certified stone. Moon Ocean lists it at €2,476. 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
Color
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 31
Current: €2,476 EUR|Low: €838 EUR|High: €2,600 EUR|Avg: €1,293 EUR|-4.4%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11€883 EUR
Retailer 12€916 EUR
Retailer 8€957 EUR
Retailer 10€957 EUR
Retailer 9€994 EUR
Retailer 6€1,064 EUR
Retailer 7€1,104 EUR
Retailer 3€1,118 EUR
Retailer 5€1,129 EUR
Retailer 2€1,753 EUR
Retailer 4€2,333 EUR
Moon Ocean€2,476 EUR

42 data points across 12 retailers

12 retailers€883 EUR to €2,476 EUR

A
Cheapest Retailer
-
€883 EUR
$986 USD
Final sale: no returns
A
Retailer 2
-
€916 EUR
$1,023 USD
View
A
Retailer 3
-
€957 EUR
$1,069 USD
View
A
Retailer 4
-
€957 EUR
$1,069 USD
View
A
Retailer 5
-
€994 EUR
$1,110 USD
View
A
Retailer 6
-
€1,064 EUR
$1,189 USD
View
A
Retailer 7
-
€1,104 EUR
$1,233 USD
View
A
Retailer 8
-
€1,118 EUR
£983 GBP
View
A
Retailer 9
-
€1,129 EUR
£993 GBP
View
B+
Retailer 10
-
€1,753 EUR
£1,542 GBP
View
B
Retailer 11
-
€2,333 EUR
$2,607 USD
View
Most Expensive
B
Moon Ocean
NVN-6C8419425-927 · Nov 1
€2,476 EUR
£2,178 GBP
View
11 more retailers have this diamond
Prices start from €883 EURSave up to €1,593 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
€883 EUR