CaratHunter
Plans
Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG787651720

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787651720

Diamond specifications and retailer prices

From $337 USD
As of October 28, 2026
Save $1,104 USD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,800 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787651720 or 787651720. Listed at 8 retailers as of October 28, 2026, with a 328% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651720
Dimensions8.65 × 6.04 × 3.91 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm6.04 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651720
Side View
Table 62.0%Crown 32.4°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 64.7%

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 28
Current: $1,800 USD|Low: $244 USD|High: $2,710 USD|Avg: $1,109 USD|+2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$337 USD
Retailer 5$482 USD
Retailer 3$485 USD
Retailer 2$583 USD
Retailer 4$917 USD
Retailer 8$1,151 USD
Retailer 7$1,441 USD
Rare Carat$1,800 USD
Retailer 9$2,410 USD

31 data points across 9 retailers

8 retailers$337 USD to $1,441 USD

A
Cheapest Retailer
-
$337 USD
Final sale: no returns
B+
Retailer 2
-
$482 USD
View
A
Retailer 3
-
$485 USD
View
A
Retailer 4
-
$583 USD
€555 EUR
View
B+
Retailer 5
-
$917 USD
View
B+
Retailer 6
-
$1,151 USD
SGD 1,556 SGD
View
B+
Retailer 7
-
$1,441 USD
View
Most Expensive
B
Rare Carat
15M787651720 · Oct 19
$1,800 USD
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from $337 USDSave up to $1,104 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
$337 USD