Heart|Natural|GIA

1.56ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2546206959

Certificate GIA 2546206959

Diamond specifications and retailer prices

From $6,002 USD
As of November 5, 2026
Save $5,567 USD (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,569 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.56ct natural heart diamond

This 1.56ct 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 2546206959. Listed at 5 retailers as of November 5, 2026, with prices from $6,002 to $11,569, a $5,567 spread on the same certified stone. 77 Diamonds lists it at $11,569. 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

1.56
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.5°
OriginNatural
Grading LabGIA
CertificateGIA 2546206959
Dimensions6.96 × 8.06 × 4.71 mm
L/W Ratio1.16
Top View
6.96 mm8.06 mm1.56 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546206959
Side View
Table 58.0%CrownGirdle: MED-VTKPavilion 40.5°Culet: NoneDepth 58.4%

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 5
Current: $11,569 USD|Low: $5,081 USD|High: $11,759 USD|Avg: $7,594 USD|+0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$5,081 USD
Retailer 4$5,236 USD
Retailer 8$5,635 USD
Retailer 2$6,002 USD
Retailer 10$6,780 USD
Retailer 11$6,864 USD
Retailer 12$7,010 USD
Retailer 3$7,060 USD
Retailer 6$9,225 USD
Retailer 7$9,493 USD
Retailer 5$11,105 USD
77 Diamonds$11,569 USD

40 data points across 12 retailers

5 retailers$6,002 USD to $11,569 USD

B+
Cheapest Retailer
-
$6,002 USD
B
Retailer 2
-
$9,225 USD
View
B
Retailer 3
-
$9,493 USD
View
B
Retailer 4
-
$11,105 USD
View
Most Expensive
B
77 Diamonds
HSZJBDKSKQJ · Nov 6
$11,569 USD
£9,109 GBP
View
4 more retailers have this diamond
Prices start from $6,002 USDSave up to $5,567 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+
1.56ct Heart
$6,002 USD