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Marquise|Lab Grown|IGI

0.99ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG816668773

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816668773

Diamond specifications and retailer prices

From £126 GBP
$169 USD
As of October 30, 2026
Save £692 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £818 GBP at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 0.99ct lab-grown marquise diamond

This 0.99ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816668773 or 816668773. Listed at 16 retailers as of October 30, 2026, with prices from £126 to £818, a £692 spread on the same certified stone. Flawless Fine Jewelry lists it at £818. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816668773
Dimensions10.24 × 5.04 × 3.27 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm5.04 mm0.99 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816668773
Side View
Table 58.0%Crown 34.2°Girdle: STK-THKPavilion 40°Culet: NoneDepth 64.9%

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 30
Current: £818 GBP|Low: £123 GBP|High: £829 GBP|Avg: £401 GBP|-1.4%
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 6£126 GBP
Retailer 17£140 GBP
Retailer 13£146 GBP
Retailer 5£156 GBP
Retailer 12£156 GBP
Retailer 11£277 GBP
Retailer 16£279 GBP
Retailer 2£283 GBP
Retailer 7£317 GBP
Retailer 14£390 GBP
Retailer 9£437 GBP
Retailer 4£501 GBP
Retailer 15£529 GBP
Retailer 3£541 GBP
Retailer 8£689 GBP
Retailer 10£728 GBP
Flawless Fine Jewelry£818 GBP

44 data points across 17 retailers

16 retailers£126 GBP to £818 GBP

A
Cheapest Retailer
-
£126 GBP
$169 USD
A
Retailer 2
-
£140 GBP
$188 USD
View
Final sale: no returns
A
Retailer 3
-
£146 GBP
$196 USD
View
Retailer 4
-
£156 GBP
$209 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£156 GBP
$209 USD
View
A
Retailer 6
-
£277 GBP
View
A
Retailer 7
-
£279 GBP
$375 USD
View
A
Retailer 8
-
£283 GBP
ZAR 6,134 ZAR
View
A
Retailer 9
-
£317 GBP
$426 USD
View
B+
Retailer 10
-
£390 GBP
$524 USD
View
B+
Retailer 11
-
£501 GBP
$672 USD
View
B+
Retailer 12
-
£529 GBP
$710 USD
View
B+
Retailer 13
-
£541 GBP
$726 USD
View
B
Retailer 14
-
£689 GBP
$925 USD
View
B
Retailer 15
-
£728 GBP
View
Most Expensive
B
Flawless Fine Jewelry
E728144B3 · Nov 2
£818 GBP
View
15 more retailers have this diamond
Prices start from £126 GBPSave up to £692 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
0.99ct Marquise
£126 GBP