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Cushion|Lab Grown|IGI

1.00ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG787608151

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787608151

Diamond specifications and retailer prices

From $301 USD
As of October 30, 2026
Save $1,114 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,415 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG787608151 or 787608151. Listed at 17 retailers as of October 30, 2026, with prices from $301 to $1,415, a $1,114 spread on the same certified stone. Reve Diamonds lists it at $1,415. 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 angle32.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787608151
Dimensions7.18 × 5.22 × 3.44 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
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
7.18 mm5.22 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787608151
Side View
Table 61.0%Crown 32.1°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 65.9%

Caratlytics Score

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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: $344 USD|Low: $301 USD|High: $1,509 USD|Avg: $723 USD|-11.0%
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
Reve Diamonds
November 1, 2026
Retailer 4$301 USD
Retailer 3$334 USD
Retailer 1$344 USD
Retailer 5$450 USD
Retailer 10$495 USD
Retailer 9$542 USD
Retailer 15$564 USD
Retailer 13$574 USD
Retailer 8$636 USD
Retailer 2$651 USD
Retailer 11$800 USD
Retailer 12$813 USD
Retailer 6$896 USD
Retailer 7$1,125 USD
Retailer 14$1,341 USD
Reve Diamonds$1,415 USD

35 data points across 16 retailers

17 retailers$301 USD to $1,415 USD

A
Cheapest Retailer
-
$301 USD
Final sale: no returns
A
Retailer 2
-
$334 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$344 USD
£271 GBP
View
A
Retailer 4
-
$450 USD
View
A
Retailer 5
-
$495 USD
View
A
Retailer 6
-
$542 USD
€516 EUR
View
A
Retailer 7
-
$564 USD
View
A
Retailer 8
-
$574 USD
ZAR 9,276 ZAR
View
A
Retailer 9
-
$636 USD
£501 GBP
View
A
Retailer 10
-
$651 USD
View
A
Retailer 11
-
$800 USD
View
A
Retailer 12
-
$813 USD
A$1,251 AUD
View
B+
Retailer 13
-
$896 USD
SGD 1,211 SGD
View
B+
Retailer 14
-
$1,125 USD
View
B+
Retailer 15
-
$1,341 USD
£1,056 GBP
View
Retailer 16
-
$1,389 USD
View
Price last confirmed 103 days ago
Most Expensive
B+
Reve Diamonds
D82393BA8 · Nov 1
$1,415 USD
View
16 more retailers have this diamond
Prices start from $301 USDSave up to $1,114 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
$301 USD