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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG846662590

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

Certificate IGI LG846662590

Diamond specifications and retailer prices

From $1,127 NZD
$635 USD
As of October 30, 2026
Save $8,880 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,007 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG846662590 or 846662590. Listed at 16 retailers as of October 30, 2026, with prices from $1,127 to $10,007, a $8,880 spread on the same certified stone. Do Amore Diamonds lists it at $10,007. 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°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662590
Dimensions8.80 × 6.21 × 3.98 mm
L/W Ratio1.42
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
8.80 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662590
Side View
Table 63.0%Crown 40°Girdle: MediumPavilion 33.9°Culet: NoneDepth 64.1%

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 30
Current: $10,007 NZD|Low: $1,127 NZD|High: $10,646 NZD|Avg: $4,185 NZD
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 15$1,127 NZD
Retailer 7$1,226 NZD
Retailer 17$1,608 NZD
Retailer 12$1,636 NZD
Retailer 10$1,668 NZD
Retailer 16$2,136 NZD
Retailer 4$2,253 NZD
Retailer 2$2,420 NZD
Retailer 14$2,434 NZD
Retailer 3$3,339 NZD
Retailer 6$3,883 NZD
Retailer 5$4,058 NZD
Retailer 8$5,568 NZD
Retailer 13$5,696 NZD
Retailer 9$6,748 NZD
Retailer 11$7,381 NZD
Do Amore Diamonds$10,007 NZD

10 data points across 17 retailers

16 retailers$1,127 NZD to $10,007 NZD

A
Cheapest Retailer
-
$1,127 NZD
$635 USD
A
Retailer 2
-
$1,226 NZD
$691 USD
View
A
Retailer 3
-
$1,608 NZD
$906 USD
View
A
Retailer 4
-
$1,636 NZD
£726 GBP
View
A
Retailer 5
-
$1,668 NZD
$940 USD
View
A
Retailer 6
-
$2,136 NZD
$1,204 USD
View
A
Retailer 7
-
$2,191 NZD
$1,235 USD
View
A
Retailer 8
-
$2,253 NZD
$1,270 USD
View
B+
Retailer 9
-
$2,420 NZD
€1,299 EUR
View
B+
Retailer 10
-
$3,339 NZD
$1,882 USD
View
B+
Retailer 11
-
$3,883 NZD
$2,188 USD
View
B+
Retailer 12
-
$4,058 NZD
$2,287 USD
View
Retailer 13
-
$5,568 NZD
$3,138 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$5,696 NZD
£2,528 GBP
View
B
Retailer 15
-
$7,381 NZD
$4,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-803759731 · Oct 31
$10,007 NZD
$5,640 USD
View
15 more retailers have this diamond
Prices start from $1,127 NZDSave up to $8,880 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
$1,127 NZD