Cushion|Lab Grown|IGI

1.87ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG839684885

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839684885

Diamond specifications and retailer prices

From $1,444 USD
£1,137 GBP
As of October 30, 2026
Save $5,099 USD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,543 USD at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 1.87ct lab-grown cushion diamond

This 1.87ct lab-grown cushion 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 LG839684885 or 839684885. Listed at 21 retailers as of October 29, 2026, with prices from $1,444 to $6,543, a $5,099 spread on the same certified stone. Riddles Jewelry lists it at $6,543. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684885
Dimensions8.89 × 6.58 × 4.18 mm
L/W Ratio1.35
Girdle conditionFaceted
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
8.89 mm6.58 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684885
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,444 USD|Low: $1,273 USD|High: $6,543 USD|Avg: $3,085 USD|-1.0%
Retailer 1
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Retailer 20
Riddles Jewelry
October 30, 2026
Retailer 19$1,273 USD
Retailer 1$1,444 USD
Retailer 17$1,445 USD
Retailer 5$1,446 USD
Retailer 9$1,561 USD
Retailer 3$1,755 USD
Retailer 18$1,772 USD
Retailer 12$1,845 USD
Retailer 14$1,949 USD
Retailer 11$2,178 USD
Retailer 15$2,341 USD
Retailer 8$3,118 USD
Retailer 20$3,396 USD
Retailer 4$3,520 USD
Retailer 7$3,860 USD
Retailer 2$4,058 USD
Retailer 16$4,324 USD
Retailer 6$4,451 USD
Retailer 10$5,337 USD
Retailer 13$6,140 USD
Riddles Jewelry$6,543 USD

28 data points across 21 retailers

21 retailers$1,444 USD to $6,543 USD

Retailer 1
-
$1,273 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$1,444 USD
£1,137 GBP
View
A
Retailer 3
-
$1,445 USD
View
A
Retailer 4
-
$1,446 USD
View
Final sale: no returns
A
Retailer 5
-
$1,561 USD
View
A
Retailer 6
-
$1,755 USD
View
A
Retailer 7
-
$1,772 USD
View
A
Retailer 8
-
$1,845 USD
£1,453 GBP
View
B+
Retailer 9
-
$1,949 USD
€1,856 EUR
View
B+
Retailer 10
-
$2,178 USD
View
B+
Retailer 11
-
$2,341 USD
ZAR 37,815 ZAR
View
B+
Retailer 12
-
$3,118 USD
View
B+
Retailer 13
-
$3,396 USD
View
B
Retailer 14
-
$3,520 USD
£2,772 GBP
View
B
Retailer 15
-
$3,860 USD
CA$5,361 CAD
View
B
Retailer 16
-
$4,058 USD
View
B+
Retailer 17
-
$4,324 USD
£3,405 GBP
View
B
Retailer 18
-
$4,451 USD
View
B
Retailer 19
-
$5,337 USD
View
B
Retailer 20
-
$6,140 USD
View
Most Expensive
B
Riddles Jewelry
1987846133 · Oct 29
$6,543 USD
View
20 more retailers have this diamond
Prices start from $1,444 USDSave up to $5,099 USD

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 Cushion
$1,444 USD