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Round|Lab Grown|IGI

1.00ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG389979919

Shape and cutting style on the report: Round brilliant

Certificate IGI LG389979919

Diamond specifications and retailer prices

From £563 GBP
$750 USD
As of October 29, 2026
Save £2,646 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,209 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG389979919 or 389979919. Listed at 13 retailers as of October 27, 2026, with prices from £563 to £3,209, a £2,646 spread on the same certified stone. MOH London lists it at £3,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG389979919
Dimensions6.51 × 6.44 × 3.88 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
6.51 mm6.44 mm1.00 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG389979919
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,209 GBP|Low: £563 GBP|High: £3,248 GBP|Avg: £1,527 GBP|+0.1%
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
October 29, 2026
Retailer 9£563 GBP
Retailer 8£860 GBP
Retailer 12£936 GBP
Retailer 11£963 GBP
Retailer 6£1,115 GBP
Retailer 14£1,126 GBP
Retailer 3£1,406 GBP
Retailer 13£1,445 GBP
Retailer 10£1,585 GBP
Retailer 2£1,709 GBP
Retailer 7£1,834 GBP
Retailer 4£1,966 GBP
Retailer 5£2,856 GBP
MOH London£3,209 GBP

23 data points across 14 retailers

13 retailers£563 GBP to £3,209 GBP

B+
Cheapest Retailer
-
£563 GBP
$750 USD
B
Retailer 2
-
£860 GBP
$1,145 USD
View
B
Retailer 3
-
£936 GBP
$1,246 USD
View
B
Retailer 4
-
£963 GBP
$1,282 USD
View
Final sale: no returns
B
Retailer 5
-
£997 GBP
$1,328 USD
View
B
Retailer 6
-
£997 GBP
$1,328 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
£1,126 GBP
$1,500 USD
View
B
Retailer 8
-
£1,585 GBP
$2,111 USD
View
B
Retailer 9
-
£1,709 GBP
€2,168 EUR
View
B
Retailer 10
-
£1,834 GBP
ZAR 39,450 ZAR
View
B
Retailer 11
-
£1,870 GBP
$2,490 USD
View
B
Retailer 12
-
£1,966 GBP
$2,618 USD
View
Most Expensive
B
MOH London
LG389979919 · Oct 27
£3,209 GBP
View
12 more retailers have this diamond
Prices start from £563 GBPSave up to £2,646 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.

B+
1.00ct Round
£563 GBP