Cushion|Lab Grown|IGI

1.00ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG804624121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804624121

Diamond specifications and retailer prices

From $377 USD
As of October 30, 2026
Save $1,299 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,676 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804624121 or 804624121. Listed at 15 retailers as of October 30, 2026, with prices from $377 to $1,676, a $1,299 spread on the same certified stone. MOH London lists it at $1,676. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804624121
Dimensions8.01 × 4.95 × 3.07 mm
L/W Ratio1.62
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm4.95 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804624121
Side View
Table 60.0%Crown 35.3°Girdle: MED-THKPavilion 35.1°Culet: NoneDepth 62.0%

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: $1,676 USD|Low: $377 USD|High: $1,911 USD|Avg: $933 USD|-11.3%
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
Retailer 15
November 1, 2026
Retailer 13$377 USD
Retailer 15$418 USD
Retailer 2$431 USD
Retailer 12$562 USD
Retailer 11$565 USD
Retailer 3$588 USD
Retailer 10$719 USD
Retailer 4$729 USD
Retailer 8$744 USD
Retailer 9$1,017 USD
Retailer 6$1,114 USD
Retailer 7$1,388 USD
Retailer 5$1,631 USD
Retailer 14$1,632 USD
MOH London$1,676 USD

43 data points across 15 retailers

15 retailers$377 USD to $1,676 USD

A
Cheapest Retailer
-
$377 USD
Final sale: no returns
Retailer 2
-
$418 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$431 USD
£339 GBP
View
A
Retailer 4
-
$562 USD
View
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$588 USD
View
A
Retailer 7
-
$719 USD
ZAR 11,616 ZAR
View
A
Retailer 8
-
$729 USD
View
A
Retailer 9
-
$744 USD
£586 GBP
View
B+
Retailer 10
-
$1,017 USD
A$1,564 AUD
View
B+
Retailer 11
-
$1,114 USD
SGD 1,506 SGD
View
B
Retailer 12
-
$1,388 USD
View
B
Retailer 13
-
$1,631 USD
£1,284 GBP
View
B
Retailer 14
-
$1,632 USD
View
Most Expensive
B
MOH London
LG804624121 · Nov 1
$1,676 USD
£1,320 GBP
View
14 more retailers have this diamond
Prices start from $377 USDSave up to $1,299 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
1.00ct Cushion
$377 USD