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Round|Lab Grown|IGI

1.88ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG488154691

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154691

Diamond specifications and retailer prices

From £784 GBP
$1,050 USD
As of October 31, 2026
Save £3,286 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,070 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.88ct lab-grown round diamond

This 1.88ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG488154691 or 488154691. Listed at 12 retailers as of October 31, 2026, with prices from £784 to £4,070, a £3,286 spread on the same certified stone. MOH London lists it at £4,070. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154691
Dimensions7.89 × 7.83 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.83 mm1.88 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154691
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.9%

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 31
Current: £4,070 GBP|Low: £784 GBP|High: £4,118 GBP|Avg: £2,028 GBP
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
November 1, 2026
Retailer 2£784 GBP
Retailer 9£1,228 GBP
Retailer 13£1,337 GBP
Retailer 12£1,376 GBP
Retailer 10£1,425 GBP
Retailer 5£1,464 GBP
Retailer 3£1,552 GBP
Retailer 4£1,919 GBP
Retailer 11£2,240 GBP
Retailer 8£2,457 GBP
Retailer 7£2,620 GBP
Retailer 14£2,671 GBP
Retailer 6£3,189 GBP
MOH London£4,070 GBP

21 data points across 14 retailers

12 retailers£784 GBP to £4,070 GBP

A
Cheapest Retailer
-
£784 GBP
$1,050 USD
A
Retailer 2
-
£1,228 GBP
$1,646 USD
View
A
Retailer 3
-
£1,337 GBP
$1,791 USD
View
B+
Retailer 4
-
£1,376 GBP
$1,844 USD
View
Final sale: no returns
Retailer 5
-
£1,425 GBP
$1,909 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£1,425 GBP
$1,909 USD
View
B+
Retailer 7
-
£1,552 GBP
$2,080 USD
View
B
Retailer 8
-
£2,240 GBP
$3,002 USD
View
B
Retailer 9
-
£2,457 GBP
$3,292 USD
View
B
Retailer 10
-
£2,620 GBP
ZAR 56,705 ZAR
View
B
Retailer 11
-
£2,671 GBP
$3,579 USD
View
Most Expensive
B
MOH London
LG488154691 · Nov 1
£4,070 GBP
View
11 more retailers have this diamond
Prices start from £784 GBPSave up to £3,286 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 Round
£784 GBP