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Marquise|Lab Grown|IGI

2.54ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG801608354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801608354

Diamond specifications and retailer prices

From £1,045 GBP
$1,400 USD
As of October 30, 2026
Save £3,124 GBP (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,199 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 2.54ct lab-grown marquise diamond

This 2.54ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801608354 or 801608354. Listed at 22 retailers as of October 30, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801608354
Dimensions14.36 × 7.35 × 4.24 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.36 mm7.35 mm2.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801608354
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 57.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £7,199 GBP|Low: £1,022 GBP|High: £7,215 GBP|Avg: £2,841 GBP|-0.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 21£1,045 GBP
Retailer 7£1,112 GBP
Retailer 11£1,144 GBP
Retailer 3£1,186 GBP
Retailer 17£1,340 GBP
Retailer 5£1,393 GBP
Retailer 15£1,452 GBP
Retailer 13£1,673 GBP
Retailer 2£1,733 GBP
Retailer 19£2,028 GBP
Retailer 20£2,211 GBP
Retailer 6£2,223 GBP
Retailer 10£2,396 GBP
Retailer 16£2,815 GBP
Retailer 18£2,866 GBP
Retailer 22£3,060 GBP
Retailer 9£3,197 GBP
Retailer 8£3,677 GBP
Retailer 4£3,830 GBP
Retailer 12£3,968 GBP
Retailer 14£4,169 GBP
Novita Diamonds£7,199 GBP

30 data points across 22 retailers

22 retailers£1,045 GBP to £4,169 GBP

A
Cheapest Retailer
-
£1,045 GBP
$1,400 USD
A
Retailer 2
-
£1,112 GBP
$1,490 USD
View
A
Retailer 3
-
£1,144 GBP
$1,533 USD
View
Final sale: no returns
A
Retailer 4
-
£1,186 GBP
$1,589 USD
View
A
Retailer 5
-
£1,340 GBP
$1,795 USD
View
A
Retailer 6
-
£1,393 GBP
$1,867 USD
View
Retailer 7
-
£1,452 GBP
$1,945 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
£1,673 GBP
View
A
Retailer 9
-
£1,733 GBP
$2,322 USD
View
A
Retailer 10
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£2,028 GBP
$2,717 USD
View
A
Retailer 11
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£2,211 GBP
$2,962 USD
View
A
Retailer 12
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£2,223 GBP
$2,978 USD
View
A
Retailer 13
-
£2,396 GBP
€3,058 EUR
View
A
Retailer 14
-
£2,815 GBP
A$5,803 AUD
View
A
Retailer 15
-
£2,866 GBP
View
A
Retailer 16
-
£3,060 GBP
ZAR 66,228 ZAR
View
B+
Retailer 17
-
£3,197 GBP
$4,283 USD
View
B+
Retailer 18
-
£3,677 GBP
$4,926 USD
View
B+
Retailer 19
-
£3,830 GBP
View
B+
Retailer 20
-
£3,968 GBP
SGD 7,184 SGD
View
B+
Retailer 21
-
£4,169 GBP
$5,586 USD
View
Most Expensive
Novita Diamonds
cert_801608354 · Oct 8
£7,199 GBP
A$14,839 AUD
View
Price last confirmed 24 days ago
21 more retailers have this diamond
Prices start from £1,045 GBPSave up to £3,124 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
2.54ct Marquise
£1,045 GBP