Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 7426492341

Certificate GIA 7426492341

Diamond specifications and retailer prices

From $3,417 USD
₹325,433 INR
As of November 1, 2026
Save $3,753 USD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,843 USD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7426492341. Listed at 17 retailers as of November 1, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7426492341
Dimensions7.46 × 7.99 × 4.29 mm
L/W Ratio1.07
Top View
7.46 mm7.99 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7426492341
Side View
Table 55.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 53.7%

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: Nov 1
Current: $4,605 USD|Low: $3,409 USD|High: $7,257 USD|Avg: $4,553 USD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$3,417 USD
Retailer 6$3,844 USD
Retailer 7$3,926 USD
Retailer 5$4,154 USD
Retailer 8$4,414 USD
Retailer 1$4,605 USD
Retailer 4$5,096 USD
Retailer 3$7,170 USD

41 data points across 8 retailers

17 retailers$3,417 USD to $7,170 USD

A
Cheapest Retailer
-
$3,417 USD
₹325,433 INR
A
Retailer 2
-
$3,731 USD
A$5,740 AUD
View
A
Retailer 3
-
$3,844 USD
View
A
Retailer 4
-
$3,926 USD
View
B+
Retailer 5
-
$4,154 USD
View
Final sale: no returns
Retailer 6
-
$4,414 USD
£3,476 GBP
View
Price last confirmed 33 days ago
Retailer 7
-
$4,502 USD
View
Price last confirmed 37 days ago
Retailer 8
-
$4,502 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$4,502 USD
View
Price last confirmed 25 days ago
Retailer 10
-
$4,502 USD
View
Price last confirmed 17 days ago
A
Retailer 11
-
$4,605 USD
£3,626 GBP
View
B+
Retailer 12
-
$5,096 USD
€4,853 EUR
View
Retailer 13
-
$5,194 USD
View
Price last confirmed 38 days ago
Retailer 14
-
$5,194 USD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$7,170 USD
£5,646 GBP
View
Retailer 16
-
$7,843 USD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
f607889e-0a75-4f1f-8e4a-9a7864b97e54 · Sep 25
$7,843 USD
View
Price last confirmed 37 days ago
16 more retailers have this diamond
Prices start from $3,417 USDSave up to $3,753 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
$3,417 USD