Heart|Natural|GIA

1.03ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2554522381

Certificate GIA 2554522381

Diamond specifications and retailer prices

From $2,305 USD
As of November 6, 2026
Save $1,989 USD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,294 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554522381. Listed at 5 retailers as of November 4, 2026, with prices from $2,305 to $4,294, a $1,989 spread on the same certified stone. MOH London lists it at $4,294. 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

1.03
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554522381
Dimensions6.09 × 6.88 × 4.12 mm
L/W Ratio1.13
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
6.09 mm6.88 mm1.03 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554522381
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,294 USD|Low: $1,768 USD|High: $4,357 USD|Avg: $2,589 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3$1,848 USD
Retailer 5$1,945 USD
Retailer 4$2,305 USD
Retailer 2$2,600 USD
MOH London$4,294 USD

43 data points across 5 retailers

5 retailers$2,305 USD to $4,294 USD

Retailer 1
-
$1,848 USD
Price last confirmed 14 days ago
Retailer 2
-
$2,009 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$2,305 USD
View
B+
Retailer 4
-
$2,600 USD
View
Most Expensive
B
MOH London
AD5769D0A · Nov 4
$4,294 USD
£3,381 GBP
View
4 more retailers have this diamond
Prices start from $2,305 USDSave up to $1,989 USD

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.

B+
1.03ct Heart
$2,305 USD