CaratHunter
Plans
Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG741571883

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG741571883

Diamond specifications and retailer prices

From £187 GBP
As of November 4, 2026
Save £1,413 GBP (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,600 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG741571883 or 741571883. Listed at 25 retailers as of November 4, 2026, with prices from £187 to £1,600, a £1,413 spread on the same certified stone. Do Amore Diamonds lists it at £1,600. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741571883
Dimensions8.75 × 6.11 × 8.75 mm
L/W Ratio1.43
Girdle conditionFaceted
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
8.75 mm6.11 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741571883
Side View
Table 57.0%Crown 32.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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: Nov 4
Current: £434 GBP|Low: £187 GBP|High: £1,030 GBP|Avg: £476 GBP|+2.3%
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
November 5, 2026
Retailer 3£187 GBP
Retailer 4£207 GBP
Retailer 13£207 GBP
Retailer 12£280 GBP
Retailer 11£281 GBP
Retailer 1£434 GBP
Retailer 5£481 GBP
Retailer 10£511 GBP
Retailer 9£556 GBP
Retailer 2£692 GBP
Retailer 7£831 GBP
Retailer 6£913 GBP
Retailer 8£1,030 GBP

43 data points across 13 retailers

25 retailers£187 GBP to £1,600 GBP

Retailer 1
-
£160 GBP
Price last confirmed 35 days ago
A
Retailer 2
-
£187 GBP
View
Final sale: no returns
Retailer 3
-
£193 GBP
View
Price last confirmed 23 days ago
A
Retailer 4
-
£193 GBP
View
Retailer 5
-
£204 GBP
View
Price last confirmed 44 days ago
A
Retailer 6
-
£207 GBP
View
Retailer 7
-
£207 GBP
View
Price last confirmed 26 days ago
Retailer 8
-
£207 GBP
View
Price last confirmed 34 days ago
A
Retailer 9
-
£280 GBP
View
A
Retailer 10
-
£281 GBP
View
B+
Retailer 11
-
£434 GBP
View
B+
Retailer 12
-
£481 GBP
View
Retailer 13
-
£511 GBP
View
Price last confirmed 15 days ago
Retailer 14
-
£556 GBP
View
Price last confirmed 8 days ago
B
Retailer 15
-
£692 GBP
View
Retailer 16
-
£735 GBP
View
Price last confirmed 26 days ago
Retailer 17
-
£735 GBP
View
Price last confirmed 36 days ago
B
Retailer 18
-
£735 GBP
View
Retailer 19
-
£735 GBP
View
Price last confirmed 29 days ago
B
Retailer 20
-
£831 GBP
View
B
Retailer 21
-
£867 GBP
View
B
Retailer 22
-
£913 GBP
View
B
Retailer 23
-
£1,030 GBP
View
B
Retailer 24
-
£1,035 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FA07F586A · Nov 4
£1,600 GBP
$2,160 USD
View
24 more retailers have this diamond
Prices start from £187 GBPSave up to £1,413 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 Oval
£187 GBP