CaratHunter
Plans
Cushion|Lab Grown|IGI

1.88ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG620456612

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620456612

Diamond specifications and retailer prices

From $272 USD
As of November 1, 2026
Save $1,668 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,940 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620456612 or 620456612. Listed at 15 retailers as of November 1, 2026, with prices from $272 to $1,940, a $1,668 spread on the same certified stone. Brilliant Earth lists it at $1,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620456612
Dimensions7.23 × 7.17 × 4.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.23 mm7.17 mm1.88 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620456612
Side View
Table 64.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 67.2%

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: Nov 1
Current: $1,940 USD|Low: $256 USD|High: $2,370 USD|Avg: $820 USD|-9.3%
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
November 2, 2026
Retailer 4$272 USD
Retailer 14$301 USD
Retailer 8$352 USD
Retailer 6$506 USD
Retailer 10$520 USD
Retailer 2$522 USD
Retailer 9$566 USD
Retailer 13$641 USD
Retailer 12$701 USD
Retailer 3$751 USD
Retailer 5$1,020 USD
Retailer 11$1,207 USD
Retailer 15$1,225 USD
Retailer 7$1,330 USD
Brilliant Earth$1,940 USD

38 data points across 15 retailers

15 retailers$272 USD to $1,940 USD

A
Cheapest Retailer
-
$272 USD
Final sale: no returns
Retailer 2
-
$301 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$352 USD
£277 GBP
View
B+
Retailer 4
-
$506 USD
View
A
Retailer 5
-
$520 USD
ZAR 8,396 ZAR
View
A
Retailer 6
-
$522 USD
€497 EUR
View
A
Retailer 7
-
$566 USD
£446 GBP
View
A
Retailer 8
-
$641 USD
View
A
Retailer 9
-
$701 USD
A$1,079 AUD
View
A
Retailer 10
-
$751 USD
View
B+
Retailer 11
-
$1,020 USD
View
B+
Retailer 12
-
$1,207 USD
£950 GBP
View
B
Retailer 13
-
$1,225 USD
View
Retailer 14
-
$1,330 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
9148894A · Nov 2
$1,940 USD
View
14 more retailers have this diamond
Prices start from $272 USDSave up to $1,668 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
1.88ct Cushion
$272 USD