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Marquise|Lab Grown|IGI

0.99ct D VVS1 Marquise Lab Grown Diamond

GD • D/VVS1 • IGI LG741522356

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741522356

Diamond specifications and retailer prices

From £637 GBP
$855 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: £637 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 standard cut grade and certified by IGI LG741522356 or 741522356. Listed at 2 retailers as of October 28, 2026, with a relatively tight 0% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
D
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741522356
Dimensions9.64 × 5.35 × 3.27 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.64 mm5.35 mm0.99 ctD / VVS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG741522356
Side View
Table 68.0%Crown 38.8°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £637 GBP|Low: £154 GBP|High: £1,125 GBP|Avg: £527 GBP|+3.5%
Rare Carat
Retailer 2
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October 18, 2026
Retailer 9£154 GBP
Retailer 12£230 GBP
Retailer 15£283 GBP
Retailer 8£294 GBP
Retailer 10£300 GBP
Retailer 11£321 GBP
Retailer 4£451 GBP
Retailer 7£510 GBP
Retailer 3£557 GBP
Retailer 13£587 GBP
Rare Carat£637 GBP
Retailer 2£795 GBP
Retailer 14£852 GBP
Retailer 6£863 GBP
Retailer 5£1,125 GBP

5 data points across 15 retailers

2 retailers£637 GBP to £637 GBP

B
Cheapest Retailer
-
£637 GBP
$855 USD
Most Expensive
B
Rare Carat
3176-74-368_l_692559959 · Oct 28
£637 GBP
$855 USD
View
1 more retailer has this diamond
Prices start from £637 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.

B
0.99ct Marquise
£637 GBP