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Marquise|Lab Grown|IGI

2.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790611659

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611659

Diamond specifications and retailer prices

From £950 GBP
$1,273 USD
As of October 30, 2026
Save £2,931 GBP (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,881 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.03ct lab-grown marquise diamond

This 2.03ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611659 or 790611659. Listed at 24 retailers as of October 30, 2026, with prices from £950 to £3,881, a £2,931 spread on the same certified stone. Brilliant Earth lists it at £3,881. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611659
Dimensions12.81 × 6.60 × 4.15 mm
L/W Ratio1.94
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
12.81 mm6.60 mm2.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611659
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.9%

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: £3,881 GBP|Low: £912 GBP|High: £5,329 GBP|Avg: £2,190 GBP|-27.2%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 20£950 GBP
Retailer 7£1,034 GBP
Retailer 9£1,064 GBP
Retailer 14£1,102 GBP
Retailer 22£1,102 GBP
Retailer 19£1,231 GBP
Retailer 8£1,245 GBP
Retailer 4£1,271 GBP
Retailer 5£1,455 GBP
Retailer 2£1,553 GBP
Retailer 3£1,744 GBP
Retailer 16£1,762 GBP
Retailer 6£2,054 GBP
Retailer 18£2,066 GBP
Retailer 15£2,662 GBP
Retailer 13£2,843 GBP
Retailer 21£3,029 GBP
Retailer 10£3,446 GBP
Retailer 17£3,546 GBP
Retailer 11£3,690 GBP
Retailer 12£3,868 GBP
Brilliant Earth£3,881 GBP

38 data points across 22 retailers

24 retailers£950 GBP to £3,881 GBP

A
Cheapest Retailer
-
£950 GBP
$1,273 USD
A
Retailer 2
-
£1,034 GBP
$1,385 USD
View
A
Retailer 3
-
£1,064 GBP
$1,425 USD
View
Final sale: no returns
Retailer 4
-
£1,102 GBP
$1,477 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,102 GBP
$1,477 USD
View
A
Retailer 6
-
£1,231 GBP
$1,650 USD
View
A
Retailer 7
-
£1,245 GBP
$1,668 USD
View
A
Retailer 8
-
£1,271 GBP
HK$13,300 HKD
View
A
Retailer 9
-
£1,455 GBP
$1,950 USD
View
A
Retailer 10
-
£1,553 GBP
View
A
Retailer 11
-
£1,744 GBP
$2,337 USD
View
A
Retailer 12
-
£1,762 GBP
€2,248 EUR
View
B+
Retailer 13
-
£2,054 GBP
$2,752 USD
View
A
Retailer 14
-
£2,066 GBP
$2,768 USD
View
Retailer 15
-
£2,526 GBP
$3,384 USD
View
Price last confirmed 83 days ago
B+
Retailer 16
-
£2,662 GBP
View
B+
Retailer 17
-
£2,843 GBP
ZAR 61,549 ZAR
View
B+
Retailer 18
-
£3,029 GBP
$4,058 USD
View
B+
Retailer 19
-
£3,162 GBP
$4,237 USD
View
B
Retailer 20
-
£3,446 GBP
$4,618 USD
View
B+
Retailer 21
-
£3,546 GBP
View
B+
Retailer 22
-
£3,690 GBP
SGD 6,681 SGD
View
B
Retailer 23
-
£3,868 GBP
$5,182 USD
View
Most Expensive
B
Brilliant Earth
19074514A · Oct 31
£3,881 GBP
$5,200 USD
View
23 more retailers have this diamond
Prices start from £950 GBPSave up to £2,931 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
2.03ct Marquise
£950 GBP