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Heart|Natural|GIA

1.50ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6555531472

Certificate GIA 6555531472

Diamond specifications and retailer prices

From $3,392 USD
HK$26,500 HKD
As of November 1, 2026
Save $5,041 USD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,433 USD at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555531472. Listed at 16 retailers as of October 28, 2026, with prices from $3,392 to $8,433, a $5,041 spread on the same certified stone. Queensmith lists it at $8,433. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555531472
Dimensions7.19 × 7.86 × 4.57 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Indented Natural, Needle, Natural
Top View
7.19 mm7.86 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555531472
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.1%

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 1
Current: $8,433 USD|Low: $3,354 USD|High: $8,553 USD|Avg: $5,195 USD|-1.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$3,392 USD
Retailer 4$3,632 USD
Retailer 2$4,146 USD
Retailer 8$4,289 USD
Retailer 10$4,308 USD
Retailer 3$4,596 USD
Retailer 9$4,672 USD
Retailer 7$5,118 USD
Retailer 5$7,203 USD
Queensmith$8,433 USD

36 data points across 10 retailers

16 retailers$3,392 USD to $8,433 USD

A
Cheapest Retailer
-
$3,392 USD
HK$26,500 HKD
A
Retailer 2
-
$3,632 USD
₹345,945 INR
View
A
Retailer 3
-
$4,146 USD
View
Final sale: no returns
A
Retailer 4
-
$4,289 USD
SGD 5,796 SGD
View
A
Retailer 5
-
$4,308 USD
SGD 5,822 SGD
View
A
Retailer 6
-
$4,460 USD
View
Retailer 7
-
$4,523 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$4,523 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$4,523 USD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$4,596 USD
£3,619 GBP
View
A
Retailer 11
-
$4,672 USD
View
B+
Retailer 12
-
$5,118 USD
€4,874 EUR
View
Retailer 13
-
$5,219 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$7,203 USD
£5,672 GBP
View
Retailer 15
-
$7,880 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
6555531472 · Oct 28
$8,433 USD
£6,640 GBP
View
15 more retailers have this diamond
Prices start from $3,392 USDSave up to $5,041 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
$3,392 USD