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Heart|Natural|GIA

1.50ct K SI2 Heart Natural Diamond

ID • K/SI2 • GIA 7553188889

Certificate GIA 7553188889

Diamond specifications and retailer prices

From $2,052 USD
As of November 6, 2026
Save $994 USD (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,046 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553188889. Listed at 6 retailers as of November 6, 2026, with prices from $2,052 to $3,046, a $994 spread on the same certified stone. 77 Diamonds lists it at $3,046. 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
K
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7553188889
Dimensions7.72 × 7.11 × 4.49 mm
L/W Ratio1.09
Culet sizeVery Small
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
7.72 mm7.11 mm1.50 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7553188889
Side View
Table 52.0%CrownGirdle: STK-VTKPavilionCulet: Very SmallDepth 58.2%

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 6
Current: $3,046 USD|Low: $1,921 USD|High: $3,079 USD|Avg: $2,330 USD|+1.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,921 USD
Retailer 3$2,052 USD
Retailer 4$2,073 USD
Retailer 6$2,082 USD
Retailer 5$2,172 USD
Retailer 2$2,972 USD
77 Diamonds$3,046 USD

42 data points across 7 retailers

6 retailers$2,052 USD to $3,046 USD

A
Cheapest Retailer
-
$2,052 USD
A
Retailer 2
-
$2,073 USD
View
A
Retailer 3
-
$2,082 USD
View
A
Retailer 4
-
$2,172 USD
View
B+
Retailer 5
-
$2,972 USD
View
Most Expensive
B+
77 Diamonds
HSMBHCCQYGKQ · Nov 6
$3,046 USD
£2,398 GBP
View
5 more retailers have this diamond
Prices start from $2,052 USDSave up to $994 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
$2,052 USD