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Round|Lab Grown|IGI

1.23ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG685558637

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685558637

Diamond specifications and retailer prices

From £134 GBP
$179 USD
As of October 29, 2026
Save £1,150 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,284 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG685558637 or 685558637. Listed at 22 retailers as of October 29, 2026, with prices from £134 to £1,284, a £1,150 spread on the same certified stone. Do Amore Diamonds lists it at £1,284. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685558637
Dimensions6.88 × 6.84 × 4.25 mm
L/W Ratio1.01
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
6.88 mm6.84 mm1.23 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685558637
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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 29
Current: £587 GBP|Low: £134 GBP|High: £863 GBP|Avg: £398 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 2£134 GBP
Retailer 6£149 GBP
Retailer 13£154 GBP
Retailer 3£166 GBP
Retailer 15£166 GBP
Retailer 9£306 GBP
Retailer 11£313 GBP
Retailer 10£333 GBP
Retailer 5£384 GBP
Retailer 7£392 GBP
Retailer 14£446 GBP
Retailer 4£469 GBP
Retailer 12£560 GBP
Retailer 1£587 GBP
Retailer 8£841 GBP
Retailer 16£855 GBP

31 data points across 16 retailers

22 retailers£134 GBP to £1,284 GBP

A
Cheapest Retailer
-
£134 GBP
$179 USD
A
Retailer 2
-
£149 GBP
$199 USD
View
Final sale: no returns
A
Retailer 3
-
£154 GBP
$207 USD
View
A
Retailer 4
-
£166 GBP
$222 USD
View
A
Retailer 5
-
£166 GBP
$222 USD
View
B+
Retailer 6
-
£223 GBP
$299 USD
View
A
Retailer 7
-
£243 GBP
$326 USD
View
Retailer 8
-
£258 GBP
HK$2,700 HKD
View
Price last confirmed 57 days ago
A
Retailer 9
-
£306 GBP
View
A
Retailer 10
-
£313 GBP
ZAR 6,786 ZAR
View
B+
Retailer 11
-
£333 GBP
View
B+
Retailer 12
-
£351 GBP
$470 USD
View
Retailer 13
-
£384 GBP
$515 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
£392 GBP
A$808 AUD
View
B+
Retailer 15
-
£446 GBP
A$920 AUD
View
B+
Retailer 16
-
£469 GBP
$628 USD
View
B+
Retailer 17
-
£560 GBP
A$1,155 AUD
View
B
Retailer 18
-
£587 GBP
$786 USD
View
B
Retailer 19
-
£716 GBP
$959 USD
View
B
Retailer 20
-
£841 GBP
$1,127 USD
View
B
Retailer 21
-
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DC5D9F11F · Oct 29
£1,284 GBP
$1,720 USD
View
21 more retailers have this diamond
Prices start from £134 GBPSave up to £1,150 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
1.23ct Round
£134 GBP