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Marquise|Lab Grown|IGI

1.88ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG825601434

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825601434

Diamond specifications and retailer prices

From £169 GBP
$227 USD
As of October 30, 2026
Save £544 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £714 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.88ct lab-grown marquise diamond

This 1.88ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825601434 or 825601434. Listed at 13 retailers as of October 30, 2026, with prices from £169 to £714, a £544 spread on the same certified stone. Taylor and Hart lists it at £714. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825601434
Dimensions12.80 × 6.61 × 3.86 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.80 mm6.61 mm1.88 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825601434
Side View
Table 57.0%Crown 32.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 58.4%

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: £275 GBP|Low: £165 GBP|High: £714 GBP|Avg: £388 GBP|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 11£169 GBP
Retailer 12£189 GBP
Retailer 8£196 GBP
Retailer 6£210 GBP
Retailer 7£210 GBP
Retailer 1£275 GBP
Retailer 2£356 GBP
Retailer 5£360 GBP
Retailer 10£466 GBP
Retailer 9£485 GBP
Retailer 4£675 GBP
Retailer 3£677 GBP
Taylor and Hart£714 GBP

10 data points across 13 retailers

13 retailers£169 GBP to £714 GBP

A
Cheapest Retailer
-
£169 GBP
$227 USD
A
Retailer 2
-
£189 GBP
$253 USD
View
Final sale: no returns
A
Retailer 3
-
£196 GBP
$263 USD
View
Retailer 4
-
£210 GBP
$281 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£210 GBP
$281 USD
View
A
Retailer 6
-
£275 GBP
View
B+
Retailer 7
-
£356 GBP
$477 USD
View
A
Retailer 8
-
£360 GBP
ZAR 7,801 ZAR
View
A
Retailer 9
-
£466 GBP
$624 USD
View
A
Retailer 10
-
£485 GBP
$650 USD
View
B+
Retailer 11
-
£675 GBP
$904 USD
View
B+
Retailer 12
-
£677 GBP
$907 USD
View
Most Expensive
B+
Taylor and Hart
CJOH2G6 · Oct 31
£714 GBP
$956 USD
View
12 more retailers have this diamond
Prices start from £169 GBPSave up to £544 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
1.88ct Marquise
£169 GBP