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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 $1,560 NZD
$879 USD
As of November 1, 2026
Save $4,504 NZD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,064 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $1,560 to $6,064, a $4,504 spread on the same certified stone. MOH London lists it at $6,064. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,064 NZD|Low: $1,560 NZD|High: $6,136 NZD|Avg: $3,472 NZD
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 2, 2026
Retailer 14$1,560 NZD
Retailer 3$1,618 NZD
Retailer 7$1,829 NZD
Retailer 10$1,952 NZD
Retailer 5$2,193 NZD
Retailer 11$2,315 NZD
Retailer 2$2,460 NZD
Retailer 9$2,974 NZD
Retailer 8$4,028 NZD
Retailer 6$5,030 NZD
Retailer 13$5,436 NZD
Retailer 4$5,438 NZD
Retailer 12$5,467 NZD
MOH London$6,064 NZD

43 data points across 14 retailers

16 retailers$1,560 NZD to $6,064 NZD

A
Cheapest Retailer
-
$1,560 NZD
$879 USD
Final sale: no returns
Retailer 2
-
$1,618 NZD
$912 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,829 NZD
£812 GBP
View
A
Retailer 4
-
$1,952 NZD
$1,100 USD
View
A
Retailer 5
-
$2,193 NZD
$1,236 USD
View
A
Retailer 6
-
$2,315 NZD
$1,305 USD
View
A
Retailer 7
-
$2,460 NZD
£1,092 GBP
View
A
Retailer 8
-
$2,903 NZD
$1,636 USD
View
A
Retailer 9
-
$2,974 NZD
ZAR 27,076 ZAR
View
B+
Retailer 10
-
$4,028 NZD
A$3,493 AUD
View
B
Retailer 11
-
$5,030 NZD
£2,232 GBP
View
B
Retailer 12
-
$5,436 NZD
$3,064 USD
View
B
Retailer 13
-
$5,438 NZD
SGD 4,142 SGD
View
B
Retailer 14
-
$5,467 NZD
$3,081 USD
View
B
Retailer 15
-
$5,592 NZD
$3,151 USD
View
Most Expensive
B+
MOH London
LG800634854 · Nov 1
$6,064 NZD
£2,691 GBP
View
15 more retailers have this diamond
Prices start from $1,560 NZDSave up to $4,504 NZD

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
$1,560 NZD