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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 $1,338 AUD
$940 USD
As of October 31, 2026
Save $6,691 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,029 AUD 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 13 retailers as of October 31, 2026, with prices from $1,338 to $8,029, a $6,691 spread on the same certified stone. Do Amore Diamonds lists it at $8,029. 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: $8,029 AUD|Low: $1,239 AUD|High: $8,812 AUD|Avg: $3,963 AUD
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 30, 2026
Retailer 7$1,338 AUD
Retailer 8$1,714 AUD
Retailer 10$1,808 AUD
Retailer 11$1,918 AUD
Retailer 6$1,953 AUD
Retailer 9$2,679 AUD
Retailer 3$3,931 AUD
Retailer 4$4,325 AUD
Retailer 5$4,571 AUD
Retailer 2$5,922 AUD
Retailer 12$6,534 AUD
Do Amore Diamonds$8,029 AUD

26 data points across 12 retailers

13 retailers$1,338 AUD to $8,029 AUD

Retailer 1
-
$975 AUD
$685 USD
Price last confirmed 14 days ago
Retailer 2
-
$1,061 AUD
$745 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,338 AUD
$940 USD
View
A
Retailer 4
-
$1,714 AUD
$1,204 USD
View
A
Retailer 5
-
$1,758 AUD
$1,235 USD
View
A
Retailer 6
-
$1,808 AUD
$1,270 USD
View
B+
Retailer 7
-
$2,679 AUD
$1,882 USD
View
Retailer 8
-
$3,180 AUD
$2,234 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$3,931 AUD
$2,761 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$4,571 AUD
£2,528 GBP
View
B
Retailer 11
-
$5,922 AUD
$4,160 USD
View
Retailer 12
-
$6,534 AUD
$4,590 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Do Amore Diamonds
27-D33EB163B · Oct 31
$8,029 AUD
$5,640 USD
View
12 more retailers have this diamond
Prices start from $1,338 AUDSave up to $6,691 AUD

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
$1,338 AUD