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Radiant|Lab Grown|IGI

0.99ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG842612331

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG842612331

Diamond specifications and retailer prices

From £97 GBP
$129 USD
As of October 27, 2026
Save £834 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £931 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842612331 or 842612331. Listed at 19 retailers as of October 27, 2026, with prices from £97 to £931, a £834 spread on the same certified stone. Do Amore Diamonds lists it at £931. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612331
Dimensions6.54 × 5.26 × 3.39 mm
L/W Ratio1.24
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
6.54 mm5.26 mm0.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612331
Side View
Table 64.0%Crown 40.5°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 64.4%

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 27
Current: £931 GBP|Low: £97 GBP|High: £931 GBP|Avg: £328 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
October 29, 2026
Retailer 4£97 GBP
Retailer 5£108 GBP
Retailer 3£113 GBP
Retailer 17£120 GBP
Retailer 12£171 GBP
Retailer 9£196 GBP
Retailer 2£227 GBP
Retailer 6£228 GBP
Retailer 14£240 GBP
Retailer 13£252 GBP
Retailer 16£330 GBP
Retailer 10£361 GBP
Retailer 7£408 GBP
Retailer 15£408 GBP
Retailer 18£427 GBP
Retailer 8£495 GBP
Retailer 11£557 GBP
Retailer 19£621 GBP
Do Amore Diamonds£931 GBP

9 data points across 19 retailers

19 retailers£97 GBP to £931 GBP

A
Cheapest Retailer
-
£97 GBP
$129 USD
A
Retailer 2
-
£108 GBP
$144 USD
View
Final sale: no returns
A
Retailer 3
-
£113 GBP
$150 USD
View
A
Retailer 4
-
£120 GBP
$160 USD
View
A
Retailer 5
-
£171 GBP
View
A
Retailer 6
-
£196 GBP
$261 USD
View
A
Retailer 7
-
£227 GBP
View
A
Retailer 8
-
£228 GBP
$304 USD
View
A
Retailer 9
-
£240 GBP
ZAR 5,154 ZAR
View
A
Retailer 10
-
£252 GBP
View
B+
Retailer 11
-
£330 GBP
A$677 AUD
View
B+
Retailer 12
-
£361 GBP
$481 USD
View
B+
Retailer 13
-
£408 GBP
$543 USD
View
B+
Retailer 14
-
£408 GBP
A$836 AUD
View
B+
Retailer 15
-
£427 GBP
$568 USD
View
B
Retailer 16
-
£495 GBP
SGD 890 SGD
View
B
Retailer 17
-
£557 GBP
$742 USD
View
B
Retailer 18
-
£621 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3A46CB7E5 · Oct 29
£931 GBP
$1,240 USD
View
18 more retailers have this diamond
Prices start from £97 GBPSave up to £834 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 Radiant
£97 GBP