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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5536874543

Certificate GIA 5536874543

Diamond specifications and retailer prices

From $3,083 USD
₹293,621 INR
As of November 2, 2026
Save $3,993 USD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,076 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536874543. Listed at 19 retailers as of October 30, 2026, with prices from $3,083 to $7,076, a $3,993 spread on the same certified stone. NZ Jewellers lists it at $7,076. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5536874543
Dimensions7.80 × 6.95 × 4.69 mm
L/W Ratio1.12
Top View
7.80 mm6.95 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536874543
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

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: $7,076 USD|Low: $3,077 USD|High: $7,076 USD|Avg: $4,332 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 13$3,083 USD
Retailer 8$3,227 USD
Retailer 17$3,518 USD
Retailer 10$3,573 USD
Retailer 3$3,789 USD
Retailer 14$3,827 USD
Retailer 5$3,870 USD
Retailer 6$4,061 USD
Retailer 9$4,061 USD
Retailer 19$4,061 USD
Retailer 15$4,155 USD
Retailer 7$4,209 USD
Retailer 12$4,298 USD
Retailer 18$4,307 USD
Retailer 20$4,480 USD
Retailer 11$4,492 USD
Retailer 4$4,686 USD
Retailer 16$4,992 USD
Retailer 2$6,792 USD
NZ Jewellers$7,076 USD

24 data points across 20 retailers

19 retailers$3,083 USD to $7,076 USD

A
Cheapest Retailer
-
$3,083 USD
₹293,621 INR
A
Retailer 2
-
$3,227 USD
View
Final sale: no returns
A
Retailer 3
-
$3,468 USD
View
A
Retailer 4
-
$3,518 USD
View
A
Retailer 5
-
$3,573 USD
View
A
Retailer 6
-
$3,789 USD
View
A
Retailer 7
-
$3,827 USD
£3,013 GBP
View
A
Retailer 8
-
$3,870 USD
View
A
Retailer 9
-
$4,061 USD
View
A
Retailer 10
-
$4,061 USD
View
A
Retailer 11
-
$4,061 USD
View
A
Retailer 12
-
$4,155 USD
£3,271 GBP
View
A
Retailer 13
-
$4,209 USD
View
B+
Retailer 14
-
$4,307 USD
View
B+
Retailer 15
-
$4,480 USD
View
B+
Retailer 16
-
$4,686 USD
View
B+
Retailer 17
-
$4,992 USD
ZAR 80,648 ZAR
View
B
Retailer 18
-
$6,792 USD
£5,348 GBP
View
Most Expensive
B
NZ Jewellers
9d7b34f9-47f0-45e8-b228-c6f318744f89 · Oct 30
$7,076 USD
View
18 more retailers have this diamond
Prices start from $3,083 USDSave up to $3,993 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
$3,083 USD