Marquise|Lab Grown|IGI

1.01ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG833668521

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833668521

Diamond specifications and retailer prices

From £160 GBP
$214 USD
As of October 30, 2026
Save £1,855 GBP (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,015 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833668521 or 833668521. Listed at 23 retailers as of October 30, 2026, with prices from £160 to £2,015, a £1,855 spread on the same certified stone. Brilliant Earth lists it at £2,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833668521
Dimensions10.52 × 5.21 × 3.33 mm
L/W Ratio2.02
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
10.52 mm5.21 mm1.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833668521
Side View
Table 57.0%Crown 34.8°Girdle: THN-STKPavilion 40.7°Culet: NoneDepth 63.9%

Caratlytics Score

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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: £225 GBP|Low: £160 GBP|High: £1,537 GBP|Avg: £624 GBP|-26.0%
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Retailer 24
November 1, 2026
Retailer 18£160 GBP
Retailer 5£178 GBP
Retailer 6£186 GBP
Retailer 19£199 GBP
Retailer 11£219 GBP
Retailer 1£225 GBP
Retailer 21£243 GBP
Retailer 7£266 GBP
Retailer 4£335 GBP
Retailer 23£369 GBP
Retailer 10£376 GBP
Retailer 12£414 GBP
Retailer 2£429 GBP
Retailer 13£440 GBP
Retailer 16£456 GBP
Retailer 3£704 GBP
Retailer 9£711 GBP
Retailer 14£743 GBP
Retailer 15£858 GBP
Retailer 24£881 GBP
Retailer 8£925 GBP
Retailer 20£1,459 GBP
Retailer 17£1,485 GBP
Retailer 22£1,537 GBP

22 data points across 24 retailers

23 retailers£160 GBP to £2,015 GBP

A
Cheapest Retailer
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£160 GBP
$214 USD
A
Retailer 2
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£178 GBP
$239 USD
View
Final sale: no returns
A
Retailer 3
-
£186 GBP
$249 USD
View
A
Retailer 4
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£199 GBP
$266 USD
View
Retailer 5
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£219 GBP
$293 USD
View
Price last confirmed 15 days ago
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Retailer 6
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£225 GBP
View
A
Retailer 7
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£243 GBP
$325 USD
View
A
Retailer 8
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£266 GBP
$357 USD
View
A
Retailer 9
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£332 GBP
$445 USD
View
A
Retailer 10
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£335 GBP
$449 USD
View
A
Retailer 11
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£376 GBP
ZAR 8,140 ZAR
View
A
Retailer 12
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£414 GBP
View
A
Retailer 13
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£429 GBP
$575 USD
View
B+
Retailer 14
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£704 GBP
$943 USD
View
B+
Retailer 15
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£711 GBP
$953 USD
View
B+
Retailer 16
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£743 GBP
$995 USD
View
Retailer 17
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£858 GBP
$1,150 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
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£881 GBP
View
B+
Retailer 19
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£925 GBP
$1,239 USD
View
B
Retailer 20
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£1,459 GBP
$1,955 USD
View
Retailer 21
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£1,485 GBP
$1,990 USD
View
Price last confirmed 27 days ago
B
Retailer 22
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£1,537 GBP
$2,060 USD
View
Most Expensive
B
Brilliant Earth
22402845A · Oct 31
£2,015 GBP
$2,700 USD
View
22 more retailers have this diamond
Prices start from £160 GBPSave up to £1,855 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
1.01ct Marquise
£160 GBP