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Cushion|Lab Grown|IGI

1.23ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG807636336

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG807636336

Diamond specifications and retailer prices

From $217 USD
As of October 31, 2026
Save $1,093 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,310 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807636336 or 807636336. Listed at 15 retailers as of October 28, 2026, with prices from $217 to $1,310, a $1,093 spread on the same certified stone. Brilliant Earth lists it at $1,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807636336
Dimensions6.26 × 6.13 × 4.15 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.26 mm6.13 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807636336
Side View
Table 60.0%Crown 34.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 67.7%

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 31
Current: $1,310 USD|Low: $112 USD|High: $1,310 USD|Avg: $580 USD|+14.9%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 10$112 USD
Retailer 11$217 USD
Retailer 6$242 USD
Retailer 16$324 USD
Retailer 8$370 USD
Retailer 2$402 USD
Retailer 14$422 USD
Retailer 12$441 USD
Retailer 13$477 USD
Retailer 7$563 USD
Retailer 9$586 USD
Retailer 5$592 USD
Retailer 4$720 USD
Retailer 3$751 USD
Retailer 17$830 USD
Retailer 18$1,096 USD
Retailer 15$1,177 USD
Brilliant Earth$1,310 USD

17 data points across 18 retailers

15 retailers$217 USD to $1,310 USD

A
Cheapest Retailer
-
$217 USD
Final sale: no returns
A
Retailer 2
-
$242 USD
View
A
Retailer 3
-
$324 USD
£255 GBP
View
A
Retailer 4
-
$402 USD
€383 EUR
View
A
Retailer 5
-
$422 USD
View
A
Retailer 6
-
$441 USD
£347 GBP
View
A
Retailer 7
-
$477 USD
View
B+
Retailer 8
-
$563 USD
View
Retailer 9
-
$592 USD
A$910 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$720 USD
View
B+
Retailer 11
-
$751 USD
A$1,155 AUD
View
B+
Retailer 12
-
$830 USD
View
B
Retailer 13
-
$1,096 USD
£863 GBP
View
B
Retailer 14
-
$1,177 USD
View
Most Expensive
B
Brilliant Earth
20079257A · Oct 28
$1,310 USD
View
14 more retailers have this diamond
Prices start from $217 USDSave up to $1,093 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
1.23ct Cushion
$217 USD