CaratHunter
Plans
Round|Lab Grown|IGI

1.23ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG749572477

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749572477

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)
20 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 LG749572477 or 749572477. Listed at 20 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 angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749572477
Dimensions6.96 × 6.93 × 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
6.96 mm6.93 mm1.23 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749572477
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.3%

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: £277 GBP|Low: £121 GBP|High: £830 GBP|Avg: £346 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 30, 2026
Retailer 17£126 GBP
Retailer 3£141 GBP
Retailer 10£146 GBP
Retailer 4£157 GBP
Retailer 5£157 GBP
Retailer 18£182 GBP
Retailer 7£210 GBP
Retailer 1£277 GBP
Retailer 13£280 GBP
Retailer 12£292 GBP
Retailer 19£301 GBP
Retailer 6£343 GBP
Retailer 15£358 GBP
Retailer 16£391 GBP
Retailer 8£503 GBP
Retailer 11£512 GBP
Retailer 9£515 GBP
Retailer 2£544 GBP
Retailer 14£733 GBP
Reve Diamonds£817 GBP

44 data points across 20 retailers

20 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
-
£280 GBP
View
A
Retailer 10
-
£292 GBP
€372 EUR
View
B+
Retailer 11
-
£301 GBP
$403 USD
View
B+
Retailer 12
-
£343 GBP
$460 USD
View
Retailer 13
-
£358 GBP
$480 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£391 GBP
$524 USD
View
B+
Retailer 15
-
£503 GBP
$674 USD
View
B
Retailer 16
-
£512 GBP
SGD 927 SGD
View
B
Retailer 17
-
£515 GBP
$690 USD
View
B
Retailer 18
-
£544 GBP
$729 USD
View
B
Retailer 19
-
£733 GBP
View
Most Expensive
B
Reve Diamonds
345897101 · Oct 30
£817 GBP
$1,095 USD
View
19 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