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Round|Lab Grown|IGI

1.20ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG739581497

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739581497

Diamond specifications and retailer prices

From £143 GBP
$191 USD
As of October 29, 2026
Save £1,488 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,630 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG739581497 or 739581497. Listed at 23 retailers as of October 27, 2026, with prices from £143 to £1,630, a £1,488 spread on the same certified stone. Queensmith lists it at £1,630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739581497
Dimensions6.94 × 6.97 × 4.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm6.97 mm1.20 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739581497
Side View
Table 60.0%Crown 32.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.0%

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 29
Current: £694 GBP|Low: £137 GBP|High: £836 GBP|Avg: £339 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2£143 GBP
Retailer 8£159 GBP
Retailer 4£177 GBP
Retailer 3£239 GBP
Retailer 6£291 GBP
Retailer 10£304 GBP
Retailer 7£321 GBP
Retailer 5£325 GBP
Retailer 11£431 GBP
Retailer 12£452 GBP
Retailer 1£694 GBP
Retailer 9£831 GBP

38 data points across 12 retailers

23 retailers£143 GBP to £1,630 GBP

A
Cheapest Retailer
-
£143 GBP
$191 USD
A
Retailer 2
-
£159 GBP
$213 USD
View
Final sale: no returns
A
Retailer 3
-
£166 GBP
$222 USD
View
A
Retailer 4
-
£177 GBP
$237 USD
View
A
Retailer 5
-
£177 GBP
$237 USD
View
A
Retailer 6
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 7
-
£239 GBP
$320 USD
View
A
Retailer 8
-
£291 GBP
View
A
Retailer 9
-
£304 GBP
ZAR 6,573 ZAR
View
A
Retailer 10
-
£309 GBP
$414 USD
View
A
Retailer 11
-
£321 GBP
View
A
Retailer 12
-
£325 GBP
€415 EUR
View
B+
Retailer 13
-
£360 GBP
$482 USD
View
B+
Retailer 14
-
£431 GBP
A$889 AUD
View
B+
Retailer 15
-
£452 GBP
$606 USD
View
B
Retailer 16
-
£569 GBP
$762 USD
View
B
Retailer 17
-
£577 GBP
SGD 1,045 SGD
View
B
Retailer 18
-
£595 GBP
$797 USD
View
B
Retailer 19
-
£609 GBP
$815 USD
View
B
Retailer 20
-
£694 GBP
$930 USD
View
B
Retailer 21
-
£831 GBP
View
B
Retailer 22
-
£870 GBP
$1,165 USD
View
Most Expensive
B
Queensmith
LG739581497 · Oct 27
£1,630 GBP
View
22 more retailers have this diamond
Prices start from £143 GBPSave up to £1,488 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
1.20ct Round
£143 GBP