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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 $1,410 NZD
£626 GBP
As of October 30, 2026
Save $6,060 NZD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,470 NZD at Brilliant Earth · As of October 31, 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 8 retailers as of October 30, 2026, with prices from $1,410 to $7,470, a $6,060 spread on the same certified stone. Brilliant Earth lists it at $7,470. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,470 NZD|Low: $1,410 NZD|High: $7,470 NZD|Avg: $3,706 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6$1,410 NZD
Retailer 3$1,659 NZD
Retailer 7$2,037 NZD
Retailer 4$2,926 NZD
Retailer 2$4,225 NZD
Retailer 5$4,532 NZD
Retailer 8$5,726 NZD
Brilliant Earth$7,470 NZD

7 data points across 8 retailers

8 retailers$1,410 NZD to $7,470 NZD

A
Cheapest Retailer
-
$1,410 NZD
£626 GBP
A
Retailer 2
-
$1,659 NZD
$935 USD
View
A
Retailer 3
-
$2,037 NZD
$1,148 USD
View
B+
Retailer 4
-
$2,926 NZD
$1,649 USD
View
B
Retailer 5
-
$4,225 NZD
€2,268 EUR
View
B+
Retailer 6
-
$4,532 NZD
$2,554 USD
View
B
Retailer 7
-
$5,726 NZD
£2,541 GBP
View
Most Expensive
B
Brilliant Earth
22305457A · Oct 31
$7,470 NZD
$4,210 USD
View
7 more retailers have this diamond
Prices start from $1,410 NZDSave up to $6,060 NZD

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
$1,410 NZD