Radiant|Lab Grown|IGI

1.88ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG846663228

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

Certificate IGI LG846663228

Diamond specifications and retailer prices

From $795 USD
£626 GBP
As of October 30, 2026
Save $3,415 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,210 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.88ct lab-grown radiant diamond

This 1.88ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663228 or 846663228. Listed at 7 retailers as of October 30, 2026, with prices from $795 to $4,210, a $3,415 spread on the same certified stone. Brilliant Earth lists it at $4,210. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663228
Dimensions7.31 × 6.63 × 4.59 mm
L/W Ratio1.10
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
7.31 mm6.63 mm1.88 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663228
Side View
Table 59.0%Crown 35°Girdle: ThickPavilion 35.6°Culet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,210 USD|Low: $795 USD|High: $4,210 USD|Avg: $2,083 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4$795 USD
Retailer 7$995 USD
Retailer 5$1,148 USD
Retailer 2$1,649 USD
Retailer 3$2,554 USD
Retailer 6$3,227 USD
Brilliant Earth$4,210 USD

7 data points across 7 retailers

7 retailers$795 USD to $4,210 USD

A
Cheapest Retailer
-
$795 USD
£626 GBP
A
Retailer 2
-
$995 USD
View
A
Retailer 3
-
$1,148 USD
View
B+
Retailer 4
-
$1,649 USD
View
B+
Retailer 5
-
$2,554 USD
View
B
Retailer 6
-
$3,227 USD
£2,541 GBP
View
Most Expensive
B
Brilliant Earth
22305457A · Oct 30
$4,210 USD
View
6 more retailers have this diamond
Prices start from $795 USDSave up to $3,415 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
1.88ct Radiant
$795 USD