Round|Lab Grown|IGI

1.23ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG632434542

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632434542

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of October 29, 2026
Save £703 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £834 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG632434542 or 632434542. Listed at 24 retailers as of October 29, 2026, with prices from £131 to £834, a £703 spread on the same certified stone. Reve Diamonds lists it at £834. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632434542
Dimensions6.93 × 6.88 × 4.22 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
6.93 mm6.88 mm1.23 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632434542
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: £292 GBP|Low: £103 GBP|High: £834 GBP|Avg: £406 GBP|+7.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 30, 2026
Retailer 6£131 GBP
Retailer 15£146 GBP
Retailer 16£152 GBP
Retailer 3£163 GBP
Retailer 19£163 GBP
Retailer 2£290 GBP
Retailer 1£292 GBP
Retailer 17£303 GBP
Retailer 13£314 GBP
Retailer 18£349 GBP
Retailer 8£363 GBP
Retailer 9£373 GBP
Retailer 4£430 GBP
Retailer 10£470 GBP
Retailer 7£524 GBP
Retailer 14£528 GBP
Retailer 11£556 GBP
Retailer 5£565 GBP
Retailer 12£767 GBP
Reve Diamonds£834 GBP

45 data points across 20 retailers

24 retailers£131 GBP to £834 GBP

Retailer 1
-
£131 GBP
$175 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£131 GBP
$176 USD
View
A
Retailer 3
-
£146 GBP
$196 USD
View
Final sale: no returns
A
Retailer 4
-
£152 GBP
$204 USD
View
Retailer 5
-
£160 GBP
$214 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£163 GBP
$218 USD
View
A
Retailer 7
-
£163 GBP
$218 USD
View
A
Retailer 8
-
£290 GBP
$388 USD
View
A
Retailer 9
-
£292 GBP
View
A
Retailer 10
-
£303 GBP
$406 USD
View
B+
Retailer 11
-
£314 GBP
€401 EUR
View
B+
Retailer 12
-
£349 GBP
$467 USD
View
B+
Retailer 13
-
£363 GBP
A$748 AUD
View
Retailer 14
-
£366 GBP
$490 USD
View
Price last confirmed 11 days ago
Retailer 15
-
£373 GBP
$500 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£430 GBP
$576 USD
View
Retailer 17
-
£470 GBP
$630 USD
View
Price last confirmed 14 days ago
Retailer 18
-
£520 GBP
$697 USD
View
Price last confirmed 39 days ago
B
Retailer 19
-
£524 GBP
$702 USD
View
B
Retailer 20
-
£528 GBP
A$1,089 AUD
View
B
Retailer 21
-
£565 GBP
$757 USD
View
B
Retailer 22
-
£567 GBP
$760 USD
View
B
Retailer 23
-
£767 GBP
View
Most Expensive
B
Reve Diamonds
372F53ADF · Oct 30
£834 GBP
$1,118 USD
View
23 more retailers have this diamond
Prices start from £131 GBPSave up to £703 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
£131 GBP