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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 7558360360

Certificate GIA 7558360360

Diamond specifications and retailer prices

From $2,993 USD
As of November 2, 2026
Save $5,473 USD (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,466 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 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 7558360360. Listed at 16 retailers as of October 30, 2026, with prices from $2,993 to $8,466, a $5,473 spread on the same certified stone. NZ Jewellers lists it at $8,466. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.8°
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558360360
Dimensions6.86 × 7.72 × 4.60 mm
L/W Ratio1.13
Culet sizeNone
Top View
6.86 mm7.72 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558360360
Side View
Table 57.0%Crown 40.8°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 59.6%

Caratlytics Score

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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 2
Current: $8,466 USD|Low: $2,471 USD|High: $8,466 USD|Avg: $3,600 USD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 3$2,473 USD
Retailer 7$2,674 USD
Retailer 5$2,830 USD
Retailer 10$2,911 USD
Retailer 12$2,993 USD
Retailer 6$3,106 USD
Retailer 9$3,160 USD
Retailer 4$3,352 USD
Retailer 11$3,773 USD
Retailer 18$4,238 USD
Retailer 20$4,378 USD
Retailer 19$4,486 USD
Retailer 8$4,565 USD
Retailer 13$4,708 USD
Retailer 14$4,859 USD
Retailer 17$4,859 USD
Retailer 16$5,010 USD
Retailer 2$5,607 USD
Retailer 15$7,739 USD
NZ Jewellers$8,466 USD

20 data points across 20 retailers

16 retailers$2,993 USD to $8,466 USD

Retailer 1
-
$2,911 USD
SGD 3,934 SGD
Price last confirmed 28 days ago
A
Retailer 2
-
$2,993 USD
View
Retailer 3
-
$3,106 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$3,160 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$4,238 USD
View
A
Retailer 6
-
$4,378 USD
View
Retailer 7
-
$4,378 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$4,486 USD
View
Final sale: no returns
Retailer 9
-
$4,565 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$4,708 USD
£3,707 GBP
View
B+
Retailer 11
-
$4,859 USD
View
B+
Retailer 12
-
$4,859 USD
View
B+
Retailer 13
-
$5,010 USD
View
B+
Retailer 14
-
$5,607 USD
View
B
Retailer 15
-
$7,739 USD
£6,094 GBP
View
Most Expensive
B
NZ Jewellers
9690bdb0-31b5-4985-9fa7-538e91b7622a · Oct 30
$8,466 USD
View
15 more retailers have this diamond
Prices start from $2,993 USDSave up to $5,473 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
$2,993 USD