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Heart|Natural|GIA

0.77ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6551213388

Certificate GIA 6551213388

Diamond specifications and retailer prices

From £547 GBP
$729 USD
As of October 28, 2026
Save £428 GBP (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £975 GBP at GemTrove · As of October 29, 2026
View at GemTrove

About this 0.77ct natural heart diamond

This 0.77ct natural heart sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551213388. Listed at 6 retailers as of October 28, 2026, with prices from £547 to £975, a £428 spread on the same certified stone. GemTrove lists it at £975. 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

0.77
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551213388
Dimensions5.73 × 6.31 × 3.75 mm
L/W Ratio1.10
Top View
5.73 mm6.31 mm0.77 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551213388
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.5%

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: Oct 28
Current: £975 GBP|Low: £508 GBP|High: £975 GBP|Avg: £675 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4£547 GBP
Retailer 6£549 GBP
Retailer 3£597 GBP
Retailer 5£610 GBP
Retailer 2£644 GBP
GemTrove£975 GBP

41 data points across 6 retailers

6 retailers£547 GBP to £975 GBP

A
Cheapest Retailer
-
£547 GBP
$729 USD
Final sale: no returns
A
Retailer 2
-
£549 GBP
MYR 2,976 MYR
View
A
Retailer 3
-
£597 GBP
$795 USD
View
A
Retailer 4
-
£610 GBP
SGD 1,098 SGD
View
A
Retailer 5
-
£644 GBP
View
Most Expensive
B+
GemTrove
GT-N-01265336-98 · Oct 29
£975 GBP
A$1,998 AUD
View
5 more retailers have this diamond
Prices start from £547 GBPSave up to £428 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
0.77ct Heart
£547 GBP