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Heart|Natural|GIA

1.51ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7558653440

Certificate GIA 7558653440

Diamond specifications and retailer prices

From $3,087 SGD
As of November 6, 2026
Save $1,159 SGD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,247 SGD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two 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 7558653440. Listed at 5 retailers as of November 6, 2026, with prices from $3,087 to $4,247, a $1,159 spread on the same certified stone. GemTrove lists it at $4,247. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558653440
Dimensions6.73 × 8.00 × 4.71 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
6.73 mm8.00 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558653440
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.9%

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 6
Current: $4,247 SGD|Low: $2,748 SGD|High: $4,247 SGD|Avg: $3,506 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$3,087 SGD
Retailer 6$3,100 SGD
Retailer 3$3,126 SGD
Retailer 2$3,317 SGD
Retailer 5$3,581 SGD
GemTrove$4,247 SGD

41 data points across 6 retailers

5 retailers$3,087 SGD to $4,247 SGD

A
Cheapest Retailer
-
$3,087 SGD
A
Retailer 2
-
$3,126 SGD
View
Final sale: no returns
A
Retailer 3
-
$3,317 SGD
View
A
Retailer 4
-
$3,581 SGD
View
Most Expensive
B+
GemTrove
GT-N-01269486-98 · Nov 6
$4,247 SGD
A$5,098 AUD
View
4 more retailers have this diamond
Prices start from $3,087 SGDSave up to $1,159 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
1.51ct Heart
$3,087 SGD