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Heart|Natural|GIA

1.51ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6247090150

Certificate GIA 6247090150

Diamond specifications and retailer prices

From $3,251 USD
HK$25,400 HKD
As of November 2, 2026
Save $4,422 USD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,673 USD at NZ Jewellers · As of October 30, 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 H 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 6247090150. Listed at 13 retailers as of October 30, 2026, with prices from $3,251 to $7,673, a $4,422 spread on the same certified stone. NZ Jewellers lists it at $7,673. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6247090150
Dimensions6.84 × 7.93 × 4.68 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
6.84 mm7.93 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6247090150
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.9%

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 2
Current: $7,673 USD|Low: $3,200 USD|High: $8,403 USD|Avg: $4,855 USD|-8.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 2$3,251 USD
Retailer 12$3,667 USD
Retailer 10$3,892 USD
Retailer 6$4,048 USD
Retailer 5$4,063 USD
Retailer 8$4,092 USD
Retailer 9$4,175 USD
Retailer 4$4,199 USD
Retailer 7$4,295 USD
Retailer 14$4,637 USD
Retailer 11$4,840 USD
Retailer 3$6,737 USD
Retailer 13$6,967 USD
NZ Jewellers$7,673 USD

20 data points across 14 retailers

13 retailers$3,251 USD to $7,673 USD

A
Cheapest Retailer
-
$3,251 USD
HK$25,400 HKD
A
Retailer 2
-
$3,667 USD
View
A
Retailer 3
-
$3,892 USD
View
A
Retailer 4
-
$4,063 USD
SGD 5,490 SGD
View
A
Retailer 5
-
$4,092 USD
View
Final sale: no returns
A
Retailer 6
-
$4,175 USD
£3,287 GBP
View
A
Retailer 7
-
$4,199 USD
View
A
Retailer 8
-
$4,295 USD
£3,382 GBP
View
B+
Retailer 9
-
$4,637 USD
View
B+
Retailer 10
-
$4,840 USD
View
B
Retailer 11
-
$6,737 USD
View
B
Retailer 12
-
$6,967 USD
£5,486 GBP
View
Most Expensive
B
NZ Jewellers
0266dad1-9bf2-4292-b079-e4f895042aac · Oct 30
$7,673 USD
View
12 more retailers have this diamond
Prices start from $3,251 USDSave up to $4,422 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
$3,251 USD