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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 $1,188 SGD
$929 USD
As of November 2, 2026
Save $930 SGD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,117 SGD 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 $1,188 to $2,117, a $930 spread on the same certified stone. GemTrove lists it at $2,117. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,117 SGD|Low: $1,055 SGD|High: $2,117 SGD|Avg: $1,513 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$1,188 SGD
Retailer 3$1,257 SGD
Retailer 5$1,337 SGD
Retailer 2$1,348 SGD
Retailer 4$1,456 SGD
Retailer 7$1,507 SGD
GemTrove$2,117 SGD

42 data points across 7 retailers

6 retailers$1,188 SGD to $2,117 SGD

A
Cheapest Retailer
-
$1,188 SGD
$929 USD
Final sale: no returns
A
Retailer 2
-
$1,257 SGD
$983 USD
View
A
Retailer 3
-
$1,337 SGD
View
A
Retailer 4
-
$1,348 SGD
£831 GBP
View
A
Retailer 5
-
$1,456 SGD
$1,139 USD
View
Most Expensive
B+
GemTrove
GT-N-01265537-98 · Nov 2
$2,117 SGD
A$2,548 AUD
View
5 more retailers have this diamond
Prices start from $1,188 SGDSave up to $930 SGD

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
$1,188 SGD