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Cushion|Lab Grown|IGI

1.05ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG689561879

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561879

Diamond specifications and retailer prices

From $359 USD
As of October 27, 2026
Save $761 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,120 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct 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 LG689561879 or 689561879. Listed at 16 retailers as of October 26, 2026, with prices from $359 to $1,120, a $761 spread on the same certified stone. Brilliant Earth lists it at $1,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561879
Dimensions5.32 × 5.32 × 3.58 mm
L/W Ratio1.00
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
5.32 mm5.32 mm1.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561879
Side View
Table 61.0%Crown 34.2°Girdle: STK-THKPavilion 36°Culet: NoneDepth 67.3%

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 27
Current: $1,120 USD|Low: $183 USD|High: $1,160 USD|Avg: $571 USD|-3.4%
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
October 27, 2026
Retailer 4$185 USD
Retailer 12$206 USD
Retailer 14$347 USD
Retailer 9$359 USD
Retailer 11$362 USD
Retailer 2$364 USD
Retailer 17$371 USD
Retailer 7$400 USD
Retailer 15$449 USD
Retailer 16$536 USD
Retailer 6$605 USD
Retailer 10$651 USD
Retailer 8$692 USD
Retailer 5$715 USD
Retailer 13$963 USD
Retailer 3$1,084 USD
Brilliant Earth$1,120 USD

39 data points across 17 retailers

16 retailers$359 USD to $1,120 USD

Retailer 1
-
$206 USD
Price last confirmed 8 days ago
Retailer 2
-
$347 USD
ZAR 5,612 ZAR
View
Price last confirmed 10 days ago
A
Retailer 3
-
$359 USD
View
A
Retailer 4
-
$362 USD
£285 GBP
View
A
Retailer 5
-
$364 USD
€347 EUR
View
Retailer 6
-
$371 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$400 USD
£315 GBP
View
Price last confirmed 19 days ago
B+
Retailer 8
-
$449 USD
View
Retailer 9
-
$536 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$605 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$651 USD
A$1,001 AUD
View
B
Retailer 12
-
$706 USD
View
B
Retailer 13
-
$715 USD
View
B
Retailer 14
-
$963 USD
£758 GBP
View
Retailer 15
-
$1,084 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20627856A · Oct 26
$1,120 USD
View
15 more retailers have this diamond
Prices start from $359 USDSave up to $761 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
1.05ct Cushion
$359 USD