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Marquise|Lab Grown|IGI

0.91ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG825667266

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825667266

Diamond specifications and retailer prices

From £1,486 GBP
$2,000 USD
As of November 4, 2026
13 retailers carry this diamond
Most expensive: £1,486 GBP at Brilliant Earth
View at Brilliant Earth

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG825667266 or 825667266. Listed at 13 retailers as of November 4, 2026. 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

0.91
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825667266
Dimensions10.05 × 5.10 × 3.12 mm
L/W Ratio1.97
Girdle conditionFaceted
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
10.05 mm5.10 mm0.91 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825667266
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £769 GBP|Low: £251 GBP|High: £1,405 GBP|Avg: £657 GBP|-1.9%
Retailer 1
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
Retailer 18
Retailer 19
October 18, 2026
Retailer 16£262 GBP
Retailer 8£292 GBP
Retailer 11£321 GBP
Retailer 2£324 GBP
Retailer 10£324 GBP
Retailer 12£401 GBP
Retailer 19£457 GBP
Retailer 7£467 GBP
Retailer 17£522 GBP
Retailer 3£551 GBP
Retailer 13£578 GBP
Retailer 14£583 GBP
Retailer 4£737 GBP
Retailer 1£769 GBP
Retailer 5£871 GBP
Retailer 18£1,042 GBP
Retailer 6£1,072 GBP
Retailer 9£1,246 GBP
Retailer 15£1,277 GBP

17 data points across 19 retailers

13 retailers

Retailer 1
-
£262 GBP
Price last confirmed 28 days ago
Retailer 2
-
£321 GBP
View
Price last confirmed 37 days ago
Retailer 3
-
£324 GBP
View
Price last confirmed 33 days ago
Retailer 4
-
£457 GBP
View
Price last confirmed 24 days ago
Retailer 5
-
£583 GBP
View
Price last confirmed 28 days ago
Retailer 6
-
£737 GBP
View
Price last confirmed 28 days ago
Retailer 7
-
£769 GBP
View
Price last confirmed 18 days ago
Retailer 8
-
£788 GBP
View
Price last confirmed 29 days ago
Retailer 9
-
£1,042 GBP
View
Price last confirmed 32 days ago
Retailer 10
-
£1,072 GBP
View
Price last confirmed 28 days ago
Retailer 11
-
£1,246 GBP
View
Price last confirmed 27 days ago
Retailer 12
-
£1,277 GBP
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
21694487A · Nov 4
£1,486 GBP
$2,000 USD
View
12 more retailers have this diamond

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
0.91ct Marquise
£1,486 GBP