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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6542596436

Certificate GIA 6542596436

Diamond specifications and retailer prices

From $5,124 USD
As of November 1, 2026
Save $5,847 USD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,971 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct 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 6542596436. Listed at 24 retailers as of October 30, 2026, with prices from $5,124 to $10,971, a $5,847 spread on the same certified stone. NZ Jewellers lists it at $10,971. 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

1.50
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542596436
Dimensions6.88 × 7.94 × 4.57 mm
L/W Ratio1.15
Top View
6.88 mm7.94 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542596436
Side View
Table 55.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

How it works →
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 1
Current: $10,971 USD|Low: $4,322 USD|High: $10,971 USD|Avg: $6,810 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
November 2, 2026
Retailer 11$5,186 USD
Retailer 12$5,485 USD
Retailer 3$5,545 USD
Retailer 7$5,863 USD
Retailer 6$5,929 USD
Retailer 4$5,943 USD
Retailer 5$5,943 USD
Retailer 14$5,943 USD
Retailer 15$6,256 USD
Retailer 2$6,292 USD
Retailer 13$6,400 USD
Retailer 16$6,857 USD
Retailer 10$8,060 USD
Retailer 8$9,507 USD
Retailer 9$9,665 USD
NZ Jewellers$10,971 USD

40 data points across 16 retailers

24 retailers$5,124 USD to $10,971 USD

A
Cheapest Retailer
-
$5,124 USD
A
Retailer 2
-
$5,183 USD
View
B+
Retailer 3
-
$5,186 USD
View
B+
Retailer 4
-
$5,251 USD
View
B+
Retailer 5
-
$5,485 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,545 USD
View
B+
Retailer 7
-
$5,863 USD
View
Retailer 8
-
$5,929 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$5,943 USD
View
B+
Retailer 10
-
$5,943 USD
View
B+
Retailer 11
-
$5,943 USD
View
Retailer 12
-
$6,256 USD
£4,926 GBP
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$6,292 USD
£4,954 GBP
View
Retailer 14
-
$6,400 USD
A$9,846 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$6,620 USD
View
B+
Retailer 16
-
$6,620 USD
View
B
Retailer 17
-
$6,717 USD
View
B
Retailer 18
-
$6,840 USD
View
Retailer 19
-
$6,857 USD
View
Price last confirmed 56 days ago
B
Retailer 20
-
$6,857 USD
View
B
Retailer 21
-
$8,060 USD
ZAR 130,203 ZAR
View
B
Retailer 22
-
$9,507 USD
View
B
Retailer 23
-
$9,665 USD
£7,610 GBP
View
Most Expensive
B
NZ Jewellers
6f710149-8b88-4dd7-95b7-b358db1c13b1 · Oct 30
$10,971 USD
View
23 more retailers have this diamond
Prices start from $5,124 USDSave up to $5,847 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
1.50ct Heart
$5,124 USD