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Cushion|Lab Grown|IGI

1.60ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG11717911

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG11717911

Diamond specifications and retailer prices

From $428 USD
As of October 30, 2026
Save $1,862 USD (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,290 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG11717911 or 11717911. Listed at 5 retailers as of October 29, 2026, with prices from $428 to $2,290, a $1,862 spread on the same certified stone. Do Amore Diamonds lists it at $2,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG11717911
Dimensions6.71 × 6.70 × 4.54 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.71 mm6.70 mm1.60 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG11717911
Side View
Table 59.0%Crown 35.5°Girdle: STK-UNDPavilion 39.1°Culet: NoneDepth 67.7%

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: $2,290 USD|Low: $428 USD|High: $2,290 USD|Avg: $1,142 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 5$428 USD
Retailer 3$571 USD
Retailer 4$611 USD
Retailer 6$1,429 USD
Retailer 2$1,534 USD
Do Amore Diamonds$2,290 USD

7 data points across 6 retailers

5 retailers$428 USD to $2,290 USD

A
Cheapest Retailer
-
$428 USD
A
Retailer 2
-
$571 USD
View
A
Retailer 3
-
$611 USD
View
B
Retailer 4
-
$1,534 USD
£1,208 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1364069 · Oct 29
$2,290 USD
View
4 more retailers have this diamond
Prices start from $428 USDSave up to $1,862 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
1.60ct Cushion
$428 USD