Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5232493398

Certificate GIA 5232493398

Diamond specifications and retailer prices

From $7,601 USD
As of November 1, 2026
Save $8,735 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,336 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232493398. Listed at 16 retailers as of October 30, 2026, with prices from $7,601 to $16,336, a $8,735 spread on the same certified stone. NZ Jewellers lists it at $16,336. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232493398
Dimensions7.25 × 8.28 × 4.51 mm
L/W Ratio1.14
Top View
7.25 mm8.28 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232493398
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $16,336 USD|Low: $7,648 USD|High: $16,336 USD|Avg: $10,378 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
November 2, 2026
Retailer 8$7,648 USD
Retailer 12$8,168 USD
Retailer 10$8,236 USD
Retailer 11$8,849 USD
Retailer 9$8,985 USD
Retailer 7$9,025 USD
Retailer 2$9,122 USD
Retailer 3$10,210 USD
Retailer 4$10,753 USD
Retailer 6$12,000 USD
Retailer 5$13,612 USD
NZ Jewellers$16,336 USD

45 data points across 12 retailers

16 retailers$7,601 USD to $16,336 USD

B+
Cheapest Retailer
-
$7,601 USD
B+
Retailer 2
-
$7,648 USD
View
B
Retailer 3
-
$8,028 USD
CA$11,150 CAD
View
B
Retailer 4
-
$8,125 USD
View
B
Retailer 5
-
$8,168 USD
View
B
Retailer 6
-
$8,236 USD
View
B
Retailer 7
-
$8,849 USD
View
B
Retailer 8
-
$8,985 USD
View
Retailer 9
-
$9,025 USD
A$13,884 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$9,122 USD
£7,183 GBP
View
B
Retailer 11
-
$9,389 USD
View
B
Retailer 12
-
$10,210 USD
View
Retailer 13
-
$10,753 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$12,000 USD
ZAR 193,853 ZAR
View
B
Retailer 15
-
$13,612 USD
£10,718 GBP
View
Most Expensive
B
NZ Jewellers
63285d76-08ad-4533-9be1-d0263cd1875d · Oct 30
$16,336 USD
View
15 more retailers have this diamond
Prices start from $7,601 USDSave up to $8,735 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.

B+
1.51ct Heart
$7,601 USD