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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 $1,251 AUD
$879 USD
As of October 30, 2026
Save $3,639 AUD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,891 AUD 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 $1,251 to $4,891, a $3,639 spread on the same certified stone. MOH London lists it at $4,891. 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
Colour
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: $4,891 AUD|Low: $1,251 AUD|High: $4,923 AUD|Avg: $2,787 AUD|+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
November 1, 2026
Retailer 14$1,251 AUD
Retailer 3$1,298 AUD
Retailer 2$1,467 AUD
Retailer 10$1,566 AUD
Retailer 5$1,760 AUD
Retailer 11$1,858 AUD
Retailer 7$1,991 AUD
Retailer 9$2,386 AUD
Retailer 8$3,232 AUD
Retailer 6$4,035 AUD
Retailer 13$4,361 AUD
Retailer 4$4,363 AUD
Retailer 12$4,386 AUD
MOH London$4,891 AUD

43 data points across 14 retailers

16 retailers$1,251 AUD to $4,891 AUD

A
Cheapest Retailer
-
$1,251 AUD
$879 USD
Final sale: no returns
Retailer 2
-
$1,298 AUD
$912 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,467 AUD
£812 GBP
View
A
Retailer 4
-
$1,566 AUD
$1,100 USD
View
A
Retailer 5
-
$1,760 AUD
$1,236 USD
View
A
Retailer 6
-
$1,858 AUD
$1,305 USD
View
A
Retailer 7
-
$1,991 AUD
£1,101 GBP
View
A
Retailer 8
-
$2,329 AUD
$1,636 USD
View
A
Retailer 9
-
$2,386 AUD
ZAR 27,076 ZAR
View
B+
Retailer 10
-
$3,232 AUD
View
B+
Retailer 11
-
$4,035 AUD
£2,232 GBP
View
B
Retailer 12
-
$4,361 AUD
$3,064 USD
View
B
Retailer 13
-
$4,363 AUD
SGD 4,142 SGD
View
B
Retailer 14
-
$4,386 AUD
$3,081 USD
View
B
Retailer 15
-
$4,486 AUD
$3,151 USD
View
Most Expensive
B+
MOH London
LG800634854 · Oct 29
$4,891 AUD
£2,705 GBP
View
15 more retailers have this diamond
Prices start from $1,251 AUDSave up to $3,639 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
1.86ct Cushion
$1,251 AUD