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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 $1,846 SGD
£1,137 GBP
As of October 30, 2026
Save $6,519 SGD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,365 SGD at Riddles Jewelry · As of October 31, 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 22 retailers as of October 30, 2026, with prices from $1,846 to $8,365, a $6,519 spread on the same certified stone. Riddles Jewelry lists it at $8,365. 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 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

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: $2,474 SGD|Low: $1,627 SGD|High: $8,365 SGD|Avg: $3,941 SGD|+0.4%
Retailer 1
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
Retailer 18
Retailer 19
Retailer 20
Riddles Jewelry
October 31, 2026
Retailer 19$1,627 SGD
Retailer 14$1,846 SGD
Retailer 17$1,847 SGD
Retailer 5$1,849 SGD
Retailer 9$1,996 SGD
Retailer 3$2,244 SGD
Retailer 18$2,265 SGD
Retailer 12$2,339 SGD
Retailer 1$2,474 SGD
Retailer 11$2,784 SGD
Retailer 15$2,992 SGD
Retailer 8$3,987 SGD
Retailer 20$4,341 SGD
Retailer 4$4,501 SGD
Retailer 7$4,934 SGD
Retailer 2$5,188 SGD
Retailer 16$5,528 SGD
Retailer 6$5,690 SGD
Retailer 10$6,823 SGD
Retailer 13$7,849 SGD
Riddles Jewelry$8,365 SGD

29 data points across 21 retailers

22 retailers$1,846 SGD to $8,365 SGD

Retailer 1
-
$1,627 SGD
$1,273 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$1,846 SGD
£1,137 GBP
View
A
Retailer 3
-
$1,847 SGD
$1,445 USD
View
A
Retailer 4
-
$1,849 SGD
$1,446 USD
View
Final sale: no returns
A
Retailer 5
-
$1,996 SGD
$1,561 USD
View
A
Retailer 6
-
$2,244 SGD
$1,755 USD
View
B+
Retailer 7
-
$2,265 SGD
$1,772 USD
View
A
Retailer 8
-
$2,339 SGD
£1,441 GBP
View
B+
Retailer 9
-
$2,474 SGD
€1,843 EUR
View
B+
Retailer 10
-
$2,784 SGD
$2,178 USD
View
B+
Retailer 11
-
$2,992 SGD
ZAR 37,815 ZAR
View
B+
Retailer 12
-
$3,987 SGD
$3,118 USD
View
B+
Retailer 13
-
$4,341 SGD
$3,396 USD
View
B
Retailer 14
-
$4,501 SGD
£2,772 GBP
View
B
Retailer 15
-
$4,934 SGD
CA$5,361 CAD
View
B
Retailer 16
-
$5,188 SGD
$4,058 USD
View
B+
Retailer 17
-
$5,528 SGD
£3,405 GBP
View
B
Retailer 18
-
$5,690 SGD
$4,451 USD
View
B
Retailer 19
-
$6,823 SGD
$5,337 USD
View
B
Retailer 20
-
$7,709 SGD
$6,030 USD
View
B
Retailer 21
-
$7,849 SGD
$6,140 USD
View
Most Expensive
B
Riddles Jewelry
1987846133 · Oct 31
$8,365 SGD
$6,543 USD
View
21 more retailers have this diamond
Prices start from $1,846 SGDSave up to $6,519 SGD

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
$1,846 SGD