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Marquise|Lab Grown|IGI

1.08ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG853694698

Certificate IGI LG853694698

Diamond specifications and retailer prices

From £114 GBP
As of November 6, 2026
Save £340 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £455 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.08ct lab-grown marquise diamond

This 1.08ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG853694698 or 853694698. Listed at 10 retailers as of November 6, 2026, with prices from £114 to £455, a £340 spread on the same certified stone. NZ Jewellers lists it at £455. 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

1.08
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG853694698
Dimensions10.41 × 5.28 × 3.39 mm
L/W Ratio1.97
Top View
10.41 mm5.28 mm1.08 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG853694698
Side View
Table 55.0%CrownGirdle: MED-THKPavilionCuletDepth 64.2%

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: £455 GBP|Low: £114 GBP|High: £455 GBP|Avg: £217 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£114 GBP
Retailer 4£127 GBP
Retailer 6£132 GBP
Retailer 3£161 GBP
Retailer 7£168 GBP
Retailer 2£239 GBP
Retailer 8£244 GBP
Retailer 9£259 GBP
Retailer 10£268 GBP
NZ Jewellers£455 GBP

1 data point across 10 retailers

10 retailers£114 GBP to £455 GBP

A
Cheapest Retailer
-
£114 GBP
A
Retailer 2
-
£127 GBP
View
Final sale: no returns
A
Retailer 3
-
£132 GBP
View
A
Retailer 4
-
£161 GBP
View
A
Retailer 5
-
£168 GBP
View
Retailer 6
-
£239 GBP
View
B+
Retailer 7
-
£244 GBP
View
B+
Retailer 8
-
£259 GBP
View
B+
Retailer 9
-
£268 GBP
View
Most Expensive
B
NZ Jewellers
817b9232-bca2-45c8-8c28-a156557116d1 · Nov 6
£455 GBP
$612 USD
View
9 more retailers have this diamond
Prices start from £114 GBPSave up to £340 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
1.08ct Marquise
£114 GBP