Marquise|Lab Grown|IGI

1.61ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG837683575

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837683575

Diamond specifications and retailer prices

From £260 GBP
$349 USD
As of October 30, 2026
Save £986 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,265 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837683575 or 837683575. Listed at 18 retailers as of October 30, 2026, with a 379% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837683575
Dimensions11.98 × 6.09 × 3.89 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm6.09 mm1.61 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837683575
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.5°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: £1,265 GBP|Low: £250 GBP|High: £1,279 GBP|Avg: £686 GBP|-0.9%
MOH London
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
November 1, 2026
Retailer 14£260 GBP
Retailer 15£292 GBP
Retailer 4£323 GBP
Retailer 11£362 GBP
Retailer 10£437 GBP
Retailer 6£463 GBP
Retailer 5£520 GBP
Retailer 9£556 GBP
Retailer 2£577 GBP
Retailer 8£750 GBP
Retailer 12£949 GBP
Retailer 7£1,071 GBP
Retailer 3£1,222 GBP
Retailer 13£1,247 GBP
MOH London£1,265 GBP

40 data points across 15 retailers

18 retailers£260 GBP to £1,247 GBP

A
Cheapest Retailer
-
£260 GBP
$349 USD
A
Retailer 2
-
£292 GBP
$391 USD
View
Final sale: no returns
A
Retailer 3
-
£302 GBP
$405 USD
View
Retailer 4
-
£323 GBP
$433 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£323 GBP
$433 USD
View
Retailer 6
-
£362 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£437 GBP
$585 USD
View
A
Retailer 8
-
£463 GBP
$621 USD
View
A
Retailer 9
-
£520 GBP
$697 USD
View
B+
Retailer 10
-
£556 GBP
ZAR 12,027 ZAR
View
B+
Retailer 11
-
£577 GBP
View
B+
Retailer 12
-
£750 GBP
A$1,547 AUD
View
B
Retailer 13
-
£949 GBP
$1,271 USD
View
B
Retailer 14
-
£1,040 GBP
$1,393 USD
View
B
Retailer 15
-
£1,071 GBP
$1,435 USD
View
B
Retailer 16
-
£1,222 GBP
$1,637 USD
View
B
Retailer 17
-
£1,247 GBP
$1,670 USD
View
Most Expensive
MOH London
LG837683575 · Oct 25
£1,265 GBP
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from £260 GBPSave up to £986 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
1.61ct Marquise
£260 GBP