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Marquise|Lab Grown|IGI

1.49ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG788666201

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788666201

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of October 30, 2026
Save £1,332 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,526 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.49ct lab-grown marquise diamond

This 1.49ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG788666201 or 788666201. Listed at 19 retailers as of October 27, 2026, with prices from £194 to £1,526, a £1,332 spread on the same certified stone. Queensmith lists it at £1,526. 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

1.49
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788666201
Dimensions11.57 × 5.98 × 3.77 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.98 mm1.49 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788666201
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.0%

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: £1,526 GBP|Low: £159 GBP|High: £1,526 GBP|Avg: £575 GBP
Queensmith
Retailer 2
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Retailer 19
October 31, 2026
Retailer 6£217 GBP
Retailer 19£241 GBP
Retailer 12£322 GBP
Retailer 7£325 GBP
Retailer 17£358 GBP
Retailer 11£375 GBP
Retailer 18£382 GBP
Retailer 16£414 GBP
Retailer 2£456 GBP
Retailer 4£510 GBP
Retailer 15£586 GBP
Retailer 8£740 GBP
Retailer 13£752 GBP
Retailer 14£769 GBP
Retailer 5£812 GBP
Retailer 3£966 GBP
Retailer 9£1,034 GBP
Retailer 10£1,261 GBP
Queensmith£1,526 GBP

34 data points across 19 retailers

19 retailers£194 GBP to £1,526 GBP

A
Cheapest Retailer
-
£194 GBP
$260 USD
A
Retailer 2
-
£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
-
£241 GBP
$323 USD
View
A
Retailer 4
-
£322 GBP
View
B+
Retailer 5
-
£325 GBP
$435 USD
View
A
Retailer 6
-
£358 GBP
$480 USD
View
A
Retailer 7
-
£382 GBP
€488 EUR
View
A
Retailer 8
-
£414 GBP
ZAR 8,953 ZAR
View
B+
Retailer 9
-
£456 GBP
View
B+
Retailer 10
-
£510 GBP
$683 USD
View
B+
Retailer 11
-
£586 GBP
A$1,208 AUD
View
B
Retailer 12
-
£740 GBP
$991 USD
View
B
Retailer 13
-
£752 GBP
A$1,551 AUD
View
B
Retailer 14
-
£769 GBP
$1,030 USD
View
B
Retailer 15
-
£812 GBP
$1,088 USD
View
B
Retailer 16
-
£966 GBP
View
B
Retailer 17
-
£1,034 GBP
$1,385 USD
View
Retailer 18
-
£1,261 GBP
$1,690 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Queensmith
LG788666201 · Oct 27
£1,526 GBP
View
18 more retailers have this diamond
Prices start from £194 GBPSave up to £1,332 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
1.49ct Marquise
£194 GBP