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Marquise|Lab Grown|IGI

0.79ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG653445377

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG653445377

Diamond specifications and retailer prices

From £100 GBP
As of November 6, 2026
Save £851 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £951 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.79ct lab-grown marquise diamond

This 0.79ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653445377 or 653445377. Listed at 11 retailers as of November 6, 2026, with prices from £100 to £951, a £851 spread on the same certified stone. Do Amore Diamonds lists it at £951. 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

0.79
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653445377
Dimensions9.67 × 4.78 × 2.98 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.67 mm4.78 mm0.79 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653445377
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.3%

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: £951 GBP|Low: £100 GBP|High: £951 GBP|Avg: £367 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
November 6, 2026
Retailer 13£100 GBP
Retailer 16£115 GBP
Retailer 20£123 GBP
Retailer 18£184 GBP
Retailer 12£209 GBP
Retailer 5£212 GBP
Retailer 17£233 GBP
Retailer 4£239 GBP
Retailer 8£243 GBP
Retailer 3£258 GBP
Retailer 7£265 GBP
Retailer 14£409 GBP
Retailer 2£437 GBP
Retailer 21£480 GBP
Retailer 19£502 GBP
Retailer 10£520 GBP
Retailer 15£566 GBP
Retailer 9£572 GBP
Retailer 11£572 GBP
Retailer 6£600 GBP
Do Amore Diamonds£951 GBP

2 data points across 21 retailers

11 retailers£100 GBP to £951 GBP

A
Cheapest Retailer
-
£100 GBP
A
Retailer 2
-
£115 GBP
View
A
Retailer 3
-
£123 GBP
View
A
Retailer 4
-
£184 GBP
View
B+
Retailer 5
-
£233 GBP
View
B+
Retailer 6
-
£258 GBP
View
B
Retailer 7
-
£437 GBP
View
B
Retailer 8
-
£480 GBP
View
B
Retailer 9
-
£502 GBP
View
B
Retailer 10
-
£566 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A2CB20AAC · Nov 6
£951 GBP
$1,280 USD
View
10 more retailers have this diamond
Prices start from £100 GBPSave up to £851 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
0.79ct Marquise
£100 GBP