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Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 1538631980

Certificate GIA 1538631980

Diamond specifications and retailer prices

From HK$7,289 HKD
$929 USD
As of November 2, 2026
Save HK$5,706 HKD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$12,995 HKD at GemTrove · As of November 2, 2026
View at GemTrove

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1538631980. Listed at 6 retailers as of November 2, 2026, with prices from HK$7,289 to HK$12,995, a HK$5,706 spread on the same certified stone. GemTrove lists it at HK$12,995. 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

0.81
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1538631980
Dimensions5.44 × 6.48 × 3.83 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Crystal
Top View
5.44 mm6.48 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538631980
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

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: Nov 2
Current: HK$12,995 HKD|Low: HK$6,473 HKD|High: HK$12,995 HKD|Avg: HK$9,286 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6HK$7,289 HKD
Retailer 3HK$7,713 HKD
Retailer 5HK$8,204 HKD
Retailer 2HK$8,276 HKD
Retailer 4HK$8,937 HKD
Retailer 7HK$9,251 HKD
GemTroveHK$12,995 HKD

42 data points across 7 retailers

6 retailersHK$7,289 HKD to HK$12,995 HKD

A
Cheapest Retailer
-
HK$7,289 HKD
$929 USD
Final sale: no returns
A
Retailer 2
-
HK$7,713 HKD
$983 USD
View
A
Retailer 3
-
HK$8,204 HKD
SGD 1,413 SGD
View
A
Retailer 4
-
HK$8,276 HKD
£831 GBP
View
A
Retailer 5
-
HK$8,937 HKD
$1,139 USD
View
Most Expensive
B+
GemTrove
GT-N-01265537-98 · Nov 2
HK$12,995 HKD
A$2,548 AUD
View
5 more retailers have this diamond
Prices start from HK$7,289 HKDSave up to HK$5,706 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
0.81ct Heart
HK$7,289 HKD