CaratHunter
Plans
Heart|Natural|GIA

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2378237146

Certificate GIA 2378237146

Diamond specifications and retailer prices

From $1,722 SGD
As of November 6, 2026
Save $1,749 SGD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,472 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2378237146. Listed at 9 retailers as of November 2, 2026, with prices from $1,722 to $3,472, a $1,749 spread on the same certified stone. MOH London lists it at $3,472. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2378237146
Dimensions5.99 × 4.98 × 3.83 mm
L/W Ratio1.20
Top View
5.99 mm4.98 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2378237146
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 77.0%

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: $3,472 SGD|Low: $1,706 SGD|High: $3,509 SGD|Avg: $2,305 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$1,722 SGD
Retailer 7$1,839 SGD
Retailer 2$1,921 SGD
Retailer 5$2,189 SGD
Retailer 8$2,268 SGD
Retailer 4$2,417 SGD
Retailer 3$2,689 SGD
MOH London$3,472 SGD

30 data points across 8 retailers

9 retailers$1,722 SGD to $3,472 SGD

A
Cheapest Retailer
-
$1,722 SGD
B+
Retailer 2
-
$1,837 SGD
View
A
Retailer 3
-
$1,839 SGD
View
B+
Retailer 4
-
$1,921 SGD
View
B+
Retailer 5
-
$2,189 SGD
View
B+
Retailer 6
-
$2,268 SGD
View
B+
Retailer 7
-
$2,417 SGD
View
B
Retailer 8
-
$2,689 SGD
View
Most Expensive
B
MOH London
3B29FA4F8 · Nov 2
$3,472 SGD
£2,133 GBP
View
8 more retailers have this diamond
Prices start from $1,722 SGDSave up to $1,749 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
1.02ct Heart
$1,722 SGD