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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818681524

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

Certificate IGI LG818681524

Diamond specifications and retailer prices

From $1,668 NZD
$940 USD
As of October 31, 2026
Save $8,339 NZD (83%) vs most expensive(unlock to see where)
14 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 LG818681524 or 818681524. Listed at 14 retailers as of October 31, 2026, with prices from $1,668 to $10,007, a $8,339 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 angle42.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681524
Dimensions8.70 × 6.23 × 4.11 mm
L/W Ratio1.40
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
8.70 mm6.23 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681524
Side View
Table 61.0%Crown 42.8°Girdle: MediumPavilion 34°Culet: NoneDepth 66.0%

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 31
Current: $10,007 NZD|Low: $1,544 NZD|High: $10,983 NZD|Avg: $4,926 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
October 31, 2026
Retailer 8$1,668 NZD
Retailer 9$2,136 NZD
Retailer 11$2,253 NZD
Retailer 2$2,420 NZD
Retailer 7$2,434 NZD
Retailer 10$3,339 NZD
Retailer 3$4,899 NZD
Retailer 4$5,390 NZD
Retailer 6$5,696 NZD
Retailer 5$7,381 NZD
Retailer 12$8,144 NZD
Do Amore Diamonds$10,007 NZD

27 data points across 12 retailers

14 retailers$1,668 NZD to $10,007 NZD

Retailer 1
-
$1,215 NZD
$685 USD
Price last confirmed 14 days ago
Retailer 2
-
$1,322 NZD
$745 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,668 NZD
$940 USD
View
A
Retailer 4
-
$2,136 NZD
$1,204 USD
View
A
Retailer 5
-
$2,191 NZD
$1,235 USD
View
A
Retailer 6
-
$2,253 NZD
$1,270 USD
View
A
Retailer 7
-
$2,420 NZD
€1,299 EUR
View
B+
Retailer 8
-
$3,339 NZD
$1,882 USD
View
Retailer 9
-
$3,964 NZD
$2,234 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$4,899 NZD
$2,761 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$5,696 NZD
£2,528 GBP
View
B
Retailer 12
-
$7,381 NZD
$4,160 USD
View
Retailer 13
-
$8,144 NZD
$4,590 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Do Amore Diamonds
27-D33EB163B · Oct 31
$10,007 NZD
$5,640 USD
View
13 more retailers have this diamond
Prices start from $1,668 NZDSave up to $8,339 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
$1,668 NZD