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Heart|Lab Grown|IGI

0.97ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG780678949

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780678949

Diamond specifications and retailer prices

From £108 GBP
As of November 6, 2026
Save £519 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £627 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.97ct lab-grown heart diamond

This 0.97ct lab-grown heart sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG780678949 or 780678949. Listed at 13 retailers as of November 4, 2026, with prices from £108 to £627, a £519 spread on the same certified stone. MOH London lists it at £627. 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

0.97
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780678949
Dimensions7.11 × 6.02 × 3.95 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.02 mm0.97 ctE / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG780678949
Side View
Table 68.0%Crown 34.5°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 55.6%

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: £627 GBP|Low: £104 GBP|High: £637 GBP|Avg: £264 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6£108 GBP
Retailer 12£121 GBP
Retailer 10£126 GBP
Retailer 3£134 GBP
Retailer 7£134 GBP
Retailer 2£179 GBP
Retailer 5£208 GBP
Retailer 13£249 GBP
Retailer 9£256 GBP
Retailer 4£372 GBP
Retailer 8£433 GBP
Retailer 11£456 GBP
MOH London£627 GBP

34 data points across 13 retailers

13 retailers£108 GBP to £627 GBP

A
Cheapest Retailer
-
£108 GBP
A
Retailer 2
-
£121 GBP
View
Final sale: no returns
A
Retailer 3
-
£126 GBP
View
A
Retailer 4
-
£134 GBP
View
Retailer 5
-
£134 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£179 GBP
View
B+
Retailer 7
-
£208 GBP
View
B+
Retailer 8
-
£249 GBP
View
B+
Retailer 9
-
£256 GBP
View
B
Retailer 10
-
£372 GBP
View
B
Retailer 11
-
£433 GBP
View
B
Retailer 12
-
£456 GBP
View
Most Expensive
B
MOH London
LG780678949 · Nov 4
£627 GBP
View
12 more retailers have this diamond
Prices start from £108 GBPSave up to £519 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
0.97ct Heart
£108 GBP