Radiant|Lab Grown|IGI

0.99ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG625421778

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

Certificate IGI LG625421778

Diamond specifications and retailer prices

From $206 USD
As of October 30, 2026
Save $866 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,072 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG625421778 or 625421778. Listed at 18 retailers as of October 29, 2026, with prices from $206 to $1,072, a $866 spread on the same certified stone. MOH London lists it at $1,072. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625421778
Dimensions7.02 × 4.86 × 3.28 mm
L/W Ratio1.44
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
7.02 mm4.86 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625421778
Side View
Table 68.0%Crown 46.8°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 67.5%

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 30
Current: $1,072 USD|Low: $175 USD|High: $1,072 USD|Avg: $461 USD|+3.3%
MOH London
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
October 30, 2026
Retailer 14$182 USD
Retailer 10$206 USD
Retailer 5$211 USD
Retailer 6$226 USD
Retailer 4$270 USD
Retailer 3$353 USD
Retailer 8$360 USD
Retailer 2$412 USD
Retailer 13$522 USD
Retailer 11$541 USD
Retailer 7$568 USD
Retailer 12$730 USD
Retailer 9$787 USD
MOH London$1,072 USD

45 data points across 14 retailers

18 retailers$206 USD to $1,072 USD

Retailer 1
-
$182 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$206 USD
View
Final sale: no returns
Retailer 3
-
$211 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$226 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$226 USD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$270 USD
View
A
Retailer 7
-
$353 USD
View
Retailer 8
-
$360 USD
€343 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$412 USD
£324 GBP
View
B+
Retailer 10
-
$522 USD
View
B+
Retailer 11
-
$541 USD
View
B+
Retailer 12
-
$568 USD
A$874 AUD
View
B+
Retailer 13
-
$570 USD
£449 GBP
View
B
Retailer 14
-
$683 USD
View
Retailer 15
-
$726 USD
View
Price last confirmed 29 days ago
Retailer 16
-
$730 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$787 USD
View
Most Expensive
B
MOH London
LG625421778 · Oct 29
$1,072 USD
£844 GBP
View
17 more retailers have this diamond
Prices start from $206 USDSave up to $866 USD

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
$206 USD