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Cushion|Lab Grown|IGI

1.23ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG803693505

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

Certificate IGI LG803693505

Diamond specifications and retailer prices

From $217 USD
As of October 31, 2026
Save $960 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,177 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG803693505 or 803693505. Listed at 18 retailers as of October 30, 2026, with prices from $217 to $1,177, a $960 spread on the same certified stone. Reve Diamonds lists it at $1,177. 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 angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803693505
Dimensions6.17 × 6.12 × 4.19 mm
L/W Ratio1.01
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
6.17 mm6.12 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803693505
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 68.5%

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 31
Current: $437 USD|Low: $210 USD|High: $1,219 USD|Avg: $618 USD|+7.1%
Retailer 1
Retailer 2
Retailer 3
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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
Reve Diamonds
November 1, 2026
Retailer 11$217 USD
Retailer 9$233 USD
Retailer 17$324 USD
Retailer 5$400 USD
Retailer 10$402 USD
Retailer 16$422 USD
Retailer 1$437 USD
Retailer 13$477 USD
Retailer 14$563 USD
Retailer 7$569 USD
Retailer 12$628 USD
Retailer 4$720 USD
Retailer 6$751 USD
Retailer 15$800 USD
Retailer 3$830 USD
Retailer 2$945 USD
Retailer 8$1,091 USD
Reve Diamonds$1,177 USD

25 data points across 18 retailers

18 retailers$217 USD to $1,177 USD

A
Cheapest Retailer
-
$217 USD
Final sale: no returns
A
Retailer 2
-
$233 USD
View
A
Retailer 3
-
$324 USD
£255 GBP
View
A
Retailer 4
-
$400 USD
ZAR 6,465 ZAR
View
A
Retailer 5
-
$402 USD
€383 EUR
View
A
Retailer 6
-
$422 USD
View
A
Retailer 7
-
$437 USD
£344 GBP
View
A
Retailer 8
-
$477 USD
View
B+
Retailer 9
-
$563 USD
View
B+
Retailer 10
-
$569 USD
A$875 AUD
View
B+
Retailer 11
-
$628 USD
View
B+
Retailer 12
-
$720 USD
View
B+
Retailer 13
-
$751 USD
A$1,155 AUD
View
B+
Retailer 14
-
$800 USD
View
B
Retailer 15
-
$830 USD
View
B
Retailer 16
-
$945 USD
£744 GBP
View
B
Retailer 17
-
$1,091 USD
£859 GBP
View
Most Expensive
B
Reve Diamonds
F119142B6 · Oct 30
$1,177 USD
View
17 more retailers have this diamond
Prices start from $217 USDSave up to $960 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