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Round|Lab Grown|IGI

1.23ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG652479275

Shape and cutting style on the report: Round brilliant

Certificate IGI LG652479275

Diamond specifications and retailer prices

From £126 GBP
$169 USD
As of October 29, 2026
Save £691 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £817 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 LG652479275 or 652479275. Listed at 22 retailers as of October 29, 2026, with prices from £126 to £817, a £691 spread on the same certified stone. Reve Diamonds lists it at £817. 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 angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652479275
Dimensions6.92 × 6.89 × 4.19 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
6.92 mm6.89 mm1.23 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652479275
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.7%

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: £277 GBP|Low: £141 GBP|High: £830 GBP|Avg: £371 GBP|-7.1%
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
Reve Diamonds
October 30, 2026
Retailer 14£141 GBP
Retailer 5£146 GBP
Retailer 11£182 GBP
Retailer 3£210 GBP
Retailer 1£277 GBP
Retailer 8£292 GBP
Retailer 12£301 GBP
Retailer 2£343 GBP
Retailer 9£358 GBP
Retailer 10£391 GBP
Retailer 6£512 GBP
Retailer 4£515 GBP
Retailer 13£544 GBP
Retailer 7£736 GBP
Reve Diamonds£817 GBP

42 data points across 15 retailers

22 retailers£126 GBP to £817 GBP

A
Cheapest Retailer
-
£126 GBP
$169 USD
A
Retailer 2
-
£141 GBP
$189 USD
View
Final sale: no returns
A
Retailer 3
-
£146 GBP
$196 USD
View
A
Retailer 4
-
£157 GBP
$210 USD
View
A
Retailer 5
-
£157 GBP
$210 USD
View
A
Retailer 6
-
£182 GBP
HK$1,900 HKD
View
B+
Retailer 7
-
£210 GBP
$282 USD
View
A
Retailer 8
-
£277 GBP
View
A
Retailer 9
-
£292 GBP
€372 EUR
View
A
Retailer 10
-
£301 GBP
$403 USD
View
B+
Retailer 11
-
£343 GBP
$460 USD
View
Retailer 12
-
£358 GBP
$480 USD
View
Price last confirmed 9 days ago
Retailer 13
-
£373 GBP
$500 USD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
£391 GBP
$524 USD
View
B+
Retailer 15
-
£503 GBP
$674 USD
View
B
Retailer 16
-
£503 GBP
View
B
Retailer 17
-
£512 GBP
SGD 927 SGD
View
B
Retailer 18
-
£515 GBP
$690 USD
View
B
Retailer 19
-
£544 GBP
$729 USD
View
B
Retailer 20
-
£736 GBP
View
Most Expensive
B
Reve Diamonds
C6D114050 · Oct 30
£817 GBP
$1,095 USD
View
20 more retailers have this diamond
Prices start from £126 GBPSave up to £691 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
£126 GBP