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Heart|Natural|GIA

1.51ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2567084429

Certificate GIA 2567084429

Diamond specifications and retailer prices

From $3,052 USD
As of November 6, 2026
Save $1,087 USD (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,139 USD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded I 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 2567084429. Listed at 6 retailers as of November 6, 2026, with prices from $3,052 to $4,139, a $1,087 spread on the same certified stone. GemTrove lists it at $4,139. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567084429
Dimensions7.23 × 8.13 × 4.51 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
7.23 mm8.13 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567084429
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 55.5%

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: $3,052 USD|Low: $3,052 USD|High: $3,793 USD|Avg: $3,395 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$3,052 USD
Retailer 3$3,099 USD
Retailer 2$3,311 USD
Retailer 4$3,624 USD

46 data points across 4 retailers

6 retailers$3,052 USD to $4,139 USD

A
Cheapest Retailer
-
$3,052 USD
A
Retailer 2
-
$3,099 USD
View
A
Retailer 3
-
$3,311 USD
View
A
Retailer 4
-
$3,624 USD
View
B+
Retailer 5
-
$3,887 USD
View
Most Expensive
B+
GemTrove
GT-N-01269532-98 · Nov 6
$4,139 USD
A$6,368 AUD
View
5 more retailers have this diamond
Prices start from $3,052 USDSave up to $1,087 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
$3,052 USD