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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 $1,016 SGD
£626 GBP
As of October 30, 2026
Save $4,366 SGD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,382 SGD 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 $1,016 to $5,382, a $4,366 spread on the same certified stone. Brilliant Earth lists it at $5,382. 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
Colour
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: $5,382 SGD|Low: $1,016 SGD|High: $5,382 SGD|Avg: $2,661 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$1,016 SGD
Retailer 2$1,195 SGD
Retailer 6$1,468 SGD
Retailer 3$2,108 SGD
Retailer 4$3,265 SGD
Retailer 7$4,125 SGD
Brilliant Earth$5,382 SGD

7 data points across 7 retailers

7 retailers$1,016 SGD to $5,382 SGD

A
Cheapest Retailer
-
$1,016 SGD
£626 GBP
A
Retailer 2
-
$1,195 SGD
$935 USD
View
A
Retailer 3
-
$1,468 SGD
$1,148 USD
View
B+
Retailer 4
-
$2,108 SGD
$1,649 USD
View
B+
Retailer 5
-
$3,265 SGD
$2,554 USD
View
B
Retailer 6
-
$4,125 SGD
£2,541 GBP
View
Most Expensive
B
Brilliant Earth
22305457A · Oct 30
$5,382 SGD
$4,210 USD
View
6 more retailers have this diamond
Prices start from $1,016 SGDSave up to $4,366 SGD

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
$1,016 SGD