CaratHunter
Plans
Asscher|Lab Grown|IGI

10.23ct D VVS1 Asscher Lab Grown Diamond

ID • D/VVS1 • IGI LG773660541

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG773660541

Diamond specifications and retailer prices

From £4,079 GBP
As of November 2, 2026
Save £16,080 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £22,335 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 10.23ct lab-grown asscher diamond

This 10.23ct lab-grown asscher sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG773660541 or 773660541. Listed at 19 retailers as of November 2, 2026, with a 394% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773660541
Dimensions11.58 × 11.51 × 8.07 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.58 mm11.51 mm10.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773660541
Side View
Table 69.0%Crown 42.8°Girdle: Slightly ThickPavilion 42.7°Culet: NoneDepth 70.1%

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 2
Current: £22,335 GBP|Low: £4,079 GBP|High: £22,607 GBP|Avg: £7,806 GBP|-1.2%
Novita Diamonds
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
November 3, 2026
Retailer 13£4,079 GBP
Retailer 19£4,129 GBP
Retailer 8£4,265 GBP
Retailer 6£4,413 GBP
Retailer 16£4,429 GBP
Retailer 17£4,579 GBP
Retailer 9£4,947 GBP
Retailer 11£4,947 GBP
Retailer 12£5,629 GBP
Retailer 2£5,858 GBP
Retailer 10£5,872 GBP
Retailer 3£6,485 GBP
Retailer 15£7,061 GBP
Retailer 7£7,657 GBP
Retailer 4£8,614 GBP
Retailer 14£8,699 GBP
Retailer 5£16,288 GBP
Retailer 18£20,158 GBP
Novita Diamonds£22,335 GBP

34 data points across 19 retailers

19 retailers£4,079 GBP to £20,158 GBP

A
Cheapest Retailer
-
£4,079 GBP
A
Retailer 2
-
£4,129 GBP
$5,541 USD
View
A
Retailer 3
-
£4,265 GBP
$5,723 USD
View
B+
Retailer 4
-
£4,413 GBP
$5,922 USD
View
Final sale: no returns
B+
Retailer 5
-
£4,429 GBP
$5,944 USD
View
B+
Retailer 6
-
£4,579 GBP
$6,145 USD
View
Retailer 7
-
£4,947 GBP
$6,638 USD
View
Price last confirmed 8 days ago
Retailer 8
-
£4,947 GBP
$6,638 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
£5,629 GBP
$7,554 USD
View
B+
Retailer 10
-
£5,858 GBP
View
B+
Retailer 11
-
£5,872 GBP
$7,880 USD
View
B+
Retailer 12
-
£6,485 GBP
View
B
Retailer 13
-
£7,061 GBP
$9,475 USD
View
B+
Retailer 14
-
£7,657 GBP
ZAR 166,003 ZAR
View
B
Retailer 15
-
£8,614 GBP
$11,560 USD
View
B+
Retailer 16
-
£8,699 GBP
A$17,960 AUD
View
B
Retailer 17
-
£16,288 GBP
$21,857 USD
View
B
Retailer 18
-
£20,158 GBP
$27,051 USD
View
Most Expensive
Novita Diamonds
cert_773660541 · Nov 1
£22,335 GBP
A$46,112 AUD
View
Price under review
18 more retailers have this diamond
Prices start from £4,079 GBPSave up to £16,080 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
10.23ct Asscher
£4,079 GBP