Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2497590210

Certificate GIA 2497590210

Diamond specifications and retailer prices

From $6,006 USD
As of October 30, 2026
Save $4,228 USD (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,234 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two 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 2497590210. Listed at 4 retailers as of October 29, 2026, with prices from $6,006 to $10,234, a $4,228 spread on the same certified stone. MOH London lists it at $10,234. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2497590210
Dimensions7.09 × 8.12 × 4.66 mm
L/W Ratio1.15
Top View
7.09 mm8.12 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497590210
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.4%

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: Oct 30
Current: $10,234 USD|Low: $5,929 USD|High: $10,302 USD|Avg: $7,578 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$6,006 USD
Retailer 2$6,626 USD
Retailer 5$7,378 USD
Retailer 3$7,608 USD
MOH London$10,234 USD

32 data points across 5 retailers

4 retailers$6,006 USD to $10,234 USD

A
Cheapest Retailer
-
$6,006 USD
B+
Retailer 2
-
$6,626 USD
£5,218 GBP
View
B+
Retailer 3
-
$7,608 USD
View
Most Expensive
B
MOH London
11D5E2E2A · Oct 29
$10,234 USD
£8,058 GBP
View
3 more retailers have this diamond
Prices start from $6,006 USDSave up to $4,228 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
1.51ct Heart
$6,006 USD