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Heart|Natural|GIA

1.56ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6551364027

Certificate GIA 6551364027

Diamond specifications and retailer prices

From £2,517 GBP
₹321,720 INR
As of November 2, 2026
Save £872 GBP (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,390 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.56ct natural heart diamond

This 1.56ct 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 6551364027. Listed at 8 retailers as of November 2, 2026, with prices from £2,517 to £3,390, a £872 spread on the same certified stone. GemTrove lists it at £3,390. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551364027
Dimensions6.90 × 8.12 × 4.83 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud, Needle, Natural
Top View
6.90 mm8.12 mm1.56 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551364027
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.5%

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 2
Current: £2,517 GBP|Low: £2,302 GBP|High: £3,130 GBP|Avg: £2,740 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 1£2,517 GBP
Retailer 4£2,538 GBP
Retailer 3£2,583 GBP
Retailer 6£2,626 GBP
Retailer 5£2,699 GBP
Retailer 2£2,737 GBP

45 data points across 6 retailers

8 retailers£2,517 GBP to £3,390 GBP

A
Cheapest Retailer
-
£2,517 GBP
₹321,720 INR
A
Retailer 2
-
£2,538 GBP
$3,406 USD
View
A
Retailer 3
-
£2,583 GBP
$3,466 USD
View
Final sale: no returns
A
Retailer 4
-
£2,626 GBP
MYR 14,355 MYR
View
A
Retailer 5
-
£2,699 GBP
SGD 4,895 SGD
View
A
Retailer 6
-
£2,737 GBP
View
A
Retailer 7
-
£3,170 GBP
A$6,544 AUD
View
Most Expensive
A
GemTrove
GT-N-01270108-98 · Nov 2
£3,390 GBP
A$6,998 AUD
View
7 more retailers have this diamond
Prices start from £2,517 GBPSave up to £872 GBP

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
1.56ct Heart
£2,517 GBP