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Cushion|Lab Grown|IGI

1.86ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG800634854

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800634854

Diamond specifications and retailer prices

From $879 USD
As of October 30, 2026
Save $2,556 USD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,435 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.86ct lab-grown cushion diamond

This 1.86ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800634854 or 800634854. Listed at 16 retailers as of October 29, 2026, with prices from $879 to $3,435, a $2,556 spread on the same certified stone. MOH London lists it at $3,435. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800634854
Dimensions9.13 × 5.91 × 3.82 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.13 mm5.91 mm1.86 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800634854
Side View
Table 63.0%Crown 38.3°Girdle: MED-THKPavilion 29.9°Culet: NoneDepth 64.6%

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: $3,435 USD|Low: $879 USD|High: $3,458 USD|Avg: $1,957 USD|+0.5%
MOH London
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
October 31, 2026
Retailer 14$879 USD
Retailer 3$912 USD
Retailer 7$1,034 USD
Retailer 10$1,100 USD
Retailer 5$1,236 USD
Retailer 11$1,305 USD
Retailer 2$1,398 USD
Retailer 8$1,676 USD
Retailer 9$2,269 USD
Retailer 6$2,835 USD
Retailer 13$3,064 USD
Retailer 4$3,065 USD
Retailer 12$3,081 USD
MOH London$3,435 USD

43 data points across 14 retailers

16 retailers$879 USD to $3,435 USD

A
Cheapest Retailer
-
$879 USD
Final sale: no returns
Retailer 2
-
$912 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,034 USD
£814 GBP
View
A
Retailer 4
-
$1,100 USD
View
A
Retailer 5
-
$1,236 USD
View
A
Retailer 6
-
$1,305 USD
View
A
Retailer 7
-
$1,398 USD
£1,101 GBP
View
A
Retailer 8
-
$1,636 USD
View
A
Retailer 9
-
$1,676 USD
ZAR 27,076 ZAR
View
Retailer 10
-
$2,269 USD
A$3,490 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,835 USD
£2,232 GBP
View
B
Retailer 12
-
$3,064 USD
View
B
Retailer 13
-
$3,065 USD
SGD 4,142 SGD
View
B
Retailer 14
-
$3,081 USD
View
B
Retailer 15
-
$3,151 USD
View
Most Expensive
B+
MOH London
LG800634854 · Oct 29
$3,435 USD
£2,705 GBP
View
15 more retailers have this diamond
Prices start from $879 USDSave up to $2,556 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
1.86ct Cushion
$879 USD