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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 $904 AUD
$635 USD
As of October 30, 2026
Save $7,125 AUD (89%) vs most expensive(unlock to see where)
16 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 LG846662590 or 846662590. Listed at 16 retailers as of October 30, 2026, with prices from $904 to $8,029, a $7,125 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,029 AUD|Low: $904 AUD|High: $8,542 AUD|Avg: $3,358 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 15$904 AUD
Retailer 7$984 AUD
Retailer 17$1,290 AUD
Retailer 12$1,313 AUD
Retailer 10$1,338 AUD
Retailer 16$1,714 AUD
Retailer 4$1,808 AUD
Retailer 2$1,942 AUD
Retailer 14$1,953 AUD
Retailer 3$2,679 AUD
Retailer 6$3,115 AUD
Retailer 5$3,256 AUD
Retailer 8$4,467 AUD
Retailer 13$4,571 AUD
Retailer 9$5,414 AUD
Retailer 11$5,922 AUD
Do Amore Diamonds$8,029 AUD

10 data points across 17 retailers

16 retailers$904 AUD to $8,029 AUD

A
Cheapest Retailer
-
$904 AUD
$635 USD
A
Retailer 2
-
$984 AUD
$691 USD
View
A
Retailer 3
-
$1,290 AUD
$906 USD
View
A
Retailer 4
-
$1,313 AUD
£726 GBP
View
A
Retailer 5
-
$1,338 AUD
$940 USD
View
A
Retailer 6
-
$1,714 AUD
$1,204 USD
View
A
Retailer 7
-
$1,758 AUD
$1,235 USD
View
A
Retailer 8
-
$1,808 AUD
$1,270 USD
View
B+
Retailer 9
-
$1,942 AUD
€1,299 EUR
View
B+
Retailer 10
-
$2,679 AUD
$1,882 USD
View
B+
Retailer 11
-
$3,115 AUD
$2,188 USD
View
B+
Retailer 12
-
$3,256 AUD
$2,287 USD
View
Retailer 13
-
$4,467 AUD
$3,138 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$4,571 AUD
£2,528 GBP
View
B
Retailer 15
-
$5,922 AUD
$4,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-803759731 · Oct 31
$8,029 AUD
$5,640 USD
View
15 more retailers have this diamond
Prices start from $904 AUDSave up to $7,125 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
$904 AUD