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Heart|Natural|GIA

0.91ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6183940304

Certificate GIA 6183940304

Diamond specifications and retailer prices

From HK$19,747 HKD
€2,397 EUR
As of November 2, 2026
Save HK$18,088 HKD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$37,835 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6183940304. Listed at 6 retailers as of November 1, 2026, with prices from HK$19,747 to HK$37,835, a HK$18,088 spread on the same certified stone. MOH London lists it at HK$37,835. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6183940304
Dimensions5.43 × 5.95 × 3.24 mm
L/W Ratio1.10
Top View
5.43 mm5.95 mm0.91 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6183940304
Side View
Table 61.0%CrownGirdle: Extremely ThickPavilionCulet: ELGDepth 54.5%

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: Nov 2
Current: HK$37,835 HKD|Low: HK$22,196 HKD|High: HK$38,284 HKD|Avg: HK$26,752 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5HK$22,699 HKD
Retailer 2HK$22,890 HKD
Retailer 4HK$24,193 HKD
Retailer 3HK$25,300 HKD
Retailer 6HK$27,307 HKD
MOH LondonHK$37,835 HKD

42 data points across 6 retailers

6 retailersHK$19,747 HKD to HK$37,835 HKD

B
Cheapest Retailer
-
HK$19,747 HKD
€2,397 EUR
B
Retailer 2
-
HK$22,699 HKD
$2,893 USD
View
B
Retailer 3
-
HK$22,890 HKD
£2,297 GBP
View
Retailer 4
-
HK$24,193 HKD
A$4,744 AUD
View
Price last confirmed 26 days ago
B
Retailer 5
-
HK$25,300 HKD
€3,071 EUR
View
Most Expensive
B
MOH London
E023EEE7B · Nov 1
HK$37,835 HKD
£3,797 GBP
View
5 more retailers have this diamond
Prices start from HK$19,747 HKDSave up to HK$18,088 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.

B
0.91ct Heart
HK$19,747 HKD