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Cushion|Lab Grown|IGI

3.73ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG678555648

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678555648

Diamond specifications and retailer prices

From $678 USD
HK$5,300 HKD
As of October 30, 2026
Save $1,625 USD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,303 USD at Brilliance · As of October 30, 2026
View at Brilliance

About this 3.73ct lab-grown cushion diamond

This 3.73ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678555648 or 678555648. Listed at 8 retailers as of October 30, 2026, with prices from $678 to $2,303, a $1,625 spread on the same certified stone. Brilliance lists it at $2,303. 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

3.73
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678555648
Dimensions9.04 × 9.00 × 6.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.04 mm9.00 mm3.73 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678555648
Side View
Table 65.0%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 67.0%

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: $2,303 USD|Low: $678 USD|High: $4,325 USD|Avg: $1,955 USD
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 30, 2026
Retailer 9$678 USD
Retailer 2$697 USD
Retailer 7$755 USD
Retailer 8$941 USD
Retailer 11$957 USD
Retailer 6$1,024 USD
Retailer 12$1,140 USD
Retailer 10$1,249 USD
Brilliance$2,303 USD
Retailer 4$3,142 USD
Retailer 5$3,347 USD
Retailer 3$4,190 USD
Retailer 13$4,325 USD

3 data points across 13 retailers

8 retailers$678 USD to $2,303 USD

A
Cheapest Retailer
-
$678 USD
HK$5,300 HKD
A
Retailer 2
-
$697 USD
£549 GBP
View
A
Retailer 3
-
$755 USD
View
A
Retailer 4
-
$941 USD
View
B+
Retailer 5
-
$957 USD
View
A
Retailer 6
-
$1,024 USD
£806 GBP
View
A
Retailer 7
-
$1,249 USD
View
Most Expensive
B+
Brilliance
D28760213 · Oct 30
$2,303 USD
View
7 more retailers have this diamond
Prices start from $678 USDSave up to $1,625 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
3.73ct Cushion
$678 USD