Asscher|Lab Grown|IGI

0.99ct D VS1 Asscher Lab Grown Diamond

VG • D/VS1 • IGI LG688517275

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG688517275

Diamond specifications and retailer prices

From £126 GBP
$169 USD
As of October 30, 2026
Save £651 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £777 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.99ct lab-grown asscher diamond

This 0.99ct lab-grown asscher sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG688517275 or 688517275. Listed at 16 retailers as of October 30, 2026, with prices from £126 to £777, a £651 spread on the same certified stone. Reve Diamonds lists it at £777. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle45.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688517275
Dimensions5.28 × 5.24 × 3.66 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.28 mm5.24 mm0.99 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG688517275
Side View
Table 58.0%Crown 32.3°Girdle: MED-STKPavilion 45.3°Culet: NoneDepth 69.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £245 GBP|Low: £126 GBP|High: £754 GBP|Avg: £332 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3£126 GBP
Retailer 9£141 GBP
Retailer 5£181 GBP
Retailer 1£245 GBP
Retailer 8£254 GBP
Retailer 6£266 GBP
Retailer 7£267 GBP
Retailer 2£361 GBP
Retailer 11£399 GBP
Retailer 4£470 GBP
Retailer 10£662 GBP

42 data points across 11 retailers

16 retailers£126 GBP to £777 GBP

A
Cheapest Retailer
-
£126 GBP
$169 USD
Final sale: no returns
A
Retailer 2
-
£141 GBP
$189 USD
View
A
Retailer 3
-
£181 GBP
View
B+
Retailer 4
-
£190 GBP
$255 USD
View
A
Retailer 5
-
£204 GBP
$273 USD
View
A
Retailer 6
-
£245 GBP
View
A
Retailer 7
-
£254 GBP
ZAR 5,506 ZAR
View
A
Retailer 8
-
£266 GBP
€339 EUR
View
A
Retailer 9
-
£267 GBP
View
B+
Retailer 10
-
£361 GBP
$484 USD
View
Retailer 11
-
£399 GBP
$535 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£452 GBP
$606 USD
View
B+
Retailer 13
-
£470 GBP
$630 USD
View
B
Retailer 14
-
£494 GBP
$662 USD
View
Retailer 15
-
£662 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Reve Diamonds
918D0CADA · Oct 30
£777 GBP
$1,041 USD
View
15 more retailers have this diamond
Prices start from £126 GBPSave up to £651 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
0.99ct Asscher
£126 GBP