CaratHunter
Plans
Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830620119

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

Certificate IGI LG830620119

Diamond specifications and retailer prices

From $1,336 NZD
$753 USD
As of October 29, 2026
Save $6,719 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,055 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.87ct lab-grown radiant diamond

This 1.87ct 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 LG830620119 or 830620119. Listed at 14 retailers as of October 29, 2026, with prices from $1,336 to $8,055, a $6,719 spread on the same certified stone. Brilliant Earth lists it at $8,055. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620119
Dimensions8.40 × 6.21 × 4.23 mm
L/W Ratio1.35
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
8.40 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620119
Side View
Table 67.0%Crown 40.7°Girdle: ThickPavilion 37.5°Culet: NoneDepth 68.1%

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 29
Current: $8,055 NZD|Low: $1,336 NZD|High: $8,055 NZD|Avg: $3,167 NZD
Brilliant Earth
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 31, 2026
Retailer 14$1,336 NZD
Retailer 4$1,343 NZD
Retailer 9$1,514 NZD
Retailer 3$1,650 NZD
Retailer 7$2,135 NZD
Retailer 2$2,135 NZD
Retailer 10$2,179 NZD
Retailer 12$2,846 NZD
Retailer 8$3,412 NZD
Retailer 6$4,393 NZD
Retailer 13$4,609 NZD
Retailer 5$4,850 NZD
Retailer 11$5,131 NZD
Brilliant Earth$8,055 NZD

3 data points across 14 retailers

14 retailers$1,336 NZD to $8,055 NZD

A
Cheapest Retailer
-
$1,336 NZD
$753 USD
A
Retailer 2
-
$1,343 NZD
$757 USD
View
Final sale: no returns
A
Retailer 3
-
$1,514 NZD
£672 GBP
View
A
Retailer 4
-
$1,650 NZD
$930 USD
View
A
Retailer 5
-
$2,135 NZD
£947 GBP
View
A
Retailer 6
-
$2,135 NZD
€1,146 EUR
View
A
Retailer 7
-
$2,179 NZD
$1,228 USD
View
B+
Retailer 8
-
$2,846 NZD
$1,604 USD
View
B+
Retailer 9
-
$3,412 NZD
$1,923 USD
View
B
Retailer 10
-
$4,393 NZD
$2,476 USD
View
B
Retailer 11
-
$4,609 NZD
$2,597 USD
View
B
Retailer 12
-
$4,850 NZD
SGD 3,694 SGD
View
B
Retailer 13
-
$5,131 NZD
$2,892 USD
View
Most Expensive
B
Brilliant Earth
22348624A · Oct 31
$8,055 NZD
$4,540 USD
View
13 more retailers have this diamond
Prices start from $1,336 NZDSave up to $6,719 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
1.87ct Radiant
$1,336 NZD