CaratHunter
Plans
Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG753508718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG753508718

Diamond specifications and retailer prices

From $662 USD
£521 GBP
As of October 30, 2026
Save $1,556 USD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,218 USD at Brilliance · As of October 28, 2026
View at Brilliance

About this 3.55ct lab-grown cushion diamond

This 3.55ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG753508718 or 753508718. Listed at 10 retailers as of October 28, 2026, with prices from $662 to $2,218, a $1,556 spread on the same certified stone. Brilliance lists it at $2,218. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753508718
Dimensions11.00 × 7.65 × 4.91 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.65 mm3.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753508718
Side View
Table 63.0%Crown 34.2°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,218 USD|Low: $629 USD|High: $2,791 USD|Avg: $1,428 USD|+5.9%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9$662 USD
Retailer 6$735 USD
Retailer 8$924 USD
Retailer 7$984 USD
Retailer 2$984 USD
Retailer 13$1,208 USD
Retailer 10$1,237 USD
Retailer 11$1,253 USD
Retailer 4$1,676 USD
Retailer 12$1,935 USD
Retailer 3$2,080 USD
Brilliance$2,218 USD
Retailer 5$2,791 USD

11 data points across 13 retailers

10 retailers$662 USD to $2,218 USD

A
Cheapest Retailer
-
$662 USD
£521 GBP
A
Retailer 2
-
$735 USD
View
B+
Retailer 3
-
$924 USD
View
A
Retailer 4
-
$984 USD
View
A
Retailer 5
-
$984 USD
£775 GBP
View
Retailer 6
-
$1,208 USD
ZAR 19,522 ZAR
View
Price last confirmed 17 days ago
A
Retailer 7
-
$1,237 USD
View
A
Retailer 8
-
$1,253 USD
A$1,927 AUD
View
B+
Retailer 9
-
$1,935 USD
View
Most Expensive
B
Brilliance
D37545283 · Oct 28
$2,218 USD
View
9 more retailers have this diamond
Prices start from $662 USDSave up to $1,556 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
3.55ct Cushion
$662 USD