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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 HK$7,737 HKD
$986 USD
As of October 28, 2026
Save HK$14,032 HKD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$21,769 HKD 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 HK$7,737 to HK$21,769, a HK$14,032 spread on the same certified stone. Moon Ocean lists it at HK$21,769. 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: HK$21,769 HKD|Low: HK$7,344 HKD|High: HK$22,794 HKD|Avg: HK$11,780 HKD|-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 9HK$7,737 HKD
Retailer 11HK$8,027 HKD
Retailer 5HK$8,388 HKD
Retailer 7HK$8,388 HKD
Retailer 6HK$8,710 HKD
Retailer 10HK$9,651 HKD
Retailer 12HK$9,797 HKD
Retailer 2HK$9,893 HKD
Retailer 4HK$10,028 HKD
Retailer 8HK$15,446 HKD
Retailer 3HK$20,456 HKD
Moon OceanHK$21,769 HKD

43 data points across 12 retailers

12 retailersHK$7,737 HKD to HK$21,769 HKD

A
Cheapest Retailer
-
HK$7,737 HKD
$986 USD
Final sale: no returns
A
Retailer 2
-
HK$8,027 HKD
$1,023 USD
View
A
Retailer 3
-
HK$8,388 HKD
$1,069 USD
View
A
Retailer 4
-
HK$8,388 HKD
$1,069 USD
View
A
Retailer 5
-
HK$8,710 HKD
$1,110 USD
View
A
Retailer 6
-
HK$9,651 HKD
$1,230 USD
View
A
Retailer 7
-
HK$9,797 HKD
£983 GBP
View
A
Retailer 8
-
HK$9,893 HKD
£993 GBP
View
A
Retailer 9
-
HK$10,028 HKD
$1,278 USD
View
B+
Retailer 10
-
HK$15,446 HKD
£1,550 GBP
View
B
Retailer 11
-
HK$20,456 HKD
$2,607 USD
View
Most Expensive
B
Moon Ocean
NVN-6C8419425-927 · Oct 30
HK$21,769 HKD
£2,185 GBP
View
11 more retailers have this diamond
Prices start from HK$7,737 HKDSave up to HK$14,032 HKD

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
HK$7,737 HKD