CaratHunter
Plans
Cushion|Lab Grown|IGI

1.73ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG620421291

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG620421291

Diamond specifications and retailer prices

From $272 USD
As of October 30, 2026
Save $1,018 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,290 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG620421291 or 620421291. Listed at 12 retailers as of October 30, 2026, with prices from $272 to $1,290, a $1,018 spread on the same certified stone. Brilliant Earth lists it at $1,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
H
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421291
Dimensions8.23 × 6.42 × 4.35 mm
L/W Ratio1.28
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
8.23 mm6.42 mm1.73 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421291
Side View
Table 58.0%Crown 34°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 67.8%

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: $1,290 USD|Low: $193 USD|High: $1,390 USD|Avg: $673 USD|-7.2%
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
October 30, 2026
Retailer 13$272 USD
Retailer 2$362 USD
Retailer 11$405 USD
Retailer 5$475 USD
Retailer 7$518 USD
Retailer 6$545 USD
Retailer 12$561 USD
Retailer 3$630 USD
Retailer 8$703 USD
Retailer 10$753 USD
Retailer 4$1,021 USD
Retailer 9$1,209 USD
Brilliant Earth$1,290 USD

39 data points across 13 retailers

12 retailers$272 USD to $1,290 USD

A
Cheapest Retailer
-
$272 USD
Final sale: no returns
A
Retailer 2
-
$362 USD
£285 GBP
View
B+
Retailer 3
-
$405 USD
View
A
Retailer 4
-
$518 USD
ZAR 8,364 ZAR
View
A
Retailer 5
-
$545 USD
€519 EUR
View
A
Retailer 6
-
$561 USD
View
A
Retailer 7
-
$630 USD
View
A
Retailer 8
-
$703 USD
A$1,081 AUD
View
B+
Retailer 9
-
$753 USD
View
B+
Retailer 10
-
$1,021 USD
View
B+
Retailer 11
-
$1,209 USD
£952 GBP
View
Most Expensive
B+
Brilliant Earth
11234971A · Oct 30
$1,290 USD
View
11 more retailers have this diamond
Prices start from $272 USDSave up to $1,018 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
1.73ct Cushion
$272 USD