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Heart|Natural|GIA

3.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2557407269

Certificate GIA 2557407269

Diamond specifications and retailer prices

From $28,825 USD
As of November 1, 2026
Save $8,822 USD (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $37,647 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct natural heart diamond

This 3.51ct natural heart sits in the three to five 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 2557407269. Listed at 4 retailers as of November 1, 2026, with prices from $28,825 to $37,647, a $8,822 spread on the same certified stone. MOH London lists it at $37,647. 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

3.51
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle41.16°
Pavilion angle40.89°
OriginNatural
Grading LabGIA
CertificateGIA 2557407269
Dimensions9.02 × 10.45 × 6.31 mm
L/W Ratio1.16
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
9.02 mm10.45 mm3.51 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2557407269
Side View
Table 64.0%Crown 41.16°GirdlePavilion 40.89°CuletDepth 60.4%

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 1
Current: $37,647 USD|Low: $28,825 USD|High: $37,647 USD|Avg: $32,192 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$28,825 USD
Retailer 5$29,903 USD
Retailer 2$30,602 USD
Retailer 4$34,149 USD
MOH London$37,647 USD

3 data points across 5 retailers

4 retailers$28,825 USD to $37,647 USD

A
Cheapest Retailer
-
$28,825 USD
A
Retailer 2
-
$30,602 USD
£24,096 GBP
View
B+
Retailer 3
-
$34,149 USD
View
Most Expensive
B+
MOH London
8B2CCDB08 · Nov 1
$37,647 USD
£29,643 GBP
View
3 more retailers have this diamond
Prices start from $28,825 USDSave up to $8,822 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.

A
3.51ct Heart
$28,825 USD