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Heart|Natural|GIA

0.91ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7551109153

Certificate GIA 7551109153

Diamond specifications and retailer prices

From $891 SGD
As of November 6, 2026
Save $590 SGD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,481 SGD at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551109153. Listed at 6 retailers as of November 6, 2026, with prices from $891 to $1,481, a $590 spread on the same certified stone. GemTrove lists it at $1,481. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551109153
Dimensions6.17 × 6.78 × 3.68 mm
L/W Ratio1.10
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.17 mm6.78 mm0.91 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551109153
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 54.2%

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 6
Current: $1,481 SGD|Low: $775 SGD|High: $1,481 SGD|Avg: $1,051 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4$891 SGD
Retailer 6$891 SGD
Retailer 3$970 SGD
Retailer 5$992 SGD
Retailer 2$1,038 SGD
GemTrove$1,481 SGD

40 data points across 6 retailers

6 retailers$891 SGD to $1,481 SGD

A
Cheapest Retailer
-
$891 SGD
Final sale: no returns
A
Retailer 2
-
$891 SGD
View
A
Retailer 3
-
$970 SGD
View
A
Retailer 4
-
$992 SGD
View
A
Retailer 5
-
$1,038 SGD
View
Most Expensive
B+
GemTrove
GT-N-01266824-98 · Nov 6
$1,481 SGD
A$1,778 AUD
View
5 more retailers have this diamond
Prices start from $891 SGDSave up to $590 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
0.91ct Heart
$891 SGD