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Cushion|Lab Grown|IGI

4.12ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG677514113

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677514113

Diamond specifications and retailer prices

From $789 USD
£622 GBP
As of November 1, 2026
Save $2,274 USD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,063 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.12ct lab-grown cushion diamond

This 4.12ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677514113 or 677514113. Listed at 12 retailers as of November 1, 2026, with prices from $789 to $3,063, a $2,274 spread on the same certified stone. MOH London lists it at $3,063. 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

4.12
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677514113
Dimensions9.67 × 9.11 × 5.93 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.67 mm9.11 mm4.12 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677514113
Side View
Table 62.0%Crown 34.9°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,063 USD|Low: $706 USD|High: $3,100 USD|Avg: $1,528 USD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$706 USD
Retailer 2$789 USD
Retailer 6$840 USD
Retailer 5$1,059 USD
Retailer 11$1,086 USD
Retailer 10$1,099 USD
Retailer 12$1,273 USD
Retailer 7$1,392 USD
Retailer 9$2,057 USD
Retailer 3$2,286 USD
Retailer 4$2,475 USD
MOH London$3,063 USD

29 data points across 12 retailers

12 retailers$789 USD to $3,063 USD

Retailer 1
-
$706 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$789 USD
£622 GBP
View
A
Retailer 3
-
$840 USD
View
A
Retailer 4
-
$1,059 USD
€1,009 EUR
View
B+
Retailer 5
-
$1,086 USD
View
A
Retailer 6
-
$1,099 USD
View
A
Retailer 7
-
$1,273 USD
View
Retailer 8
-
$1,392 USD
ZAR 22,484 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,057 USD
£1,620 GBP
View
B+
Retailer 10
-
$2,286 USD
View
Retailer 11
-
$2,475 USD
View
Price last confirmed 34 days ago
Most Expensive
B+
MOH London
LG677514113 · Nov 1
$3,063 USD
£2,412 GBP
View
11 more retailers have this diamond
Prices start from $789 USDSave up to $2,274 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
4.12ct Cushion
$789 USD