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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG823677258

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG823677258

Diamond specifications and retailer prices

From $400 USD
As of October 29, 2026
Save $1,174 USD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,574 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG823677258 or 823677258. Listed at 18 retailers as of October 26, 2026, with prices from $400 to $1,574, a $1,174 spread on the same certified stone. MOH London lists it at $1,574. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823677258
Dimensions5.85 × 5.85 × 3.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm5.85 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823677258
Side View
Table 55.0%Crown 32.1°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.7%

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 29
Current: $1,574 USD|Low: $340 USD|High: $2,535 USD|Avg: $929 USD|-37.8%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
October 31, 2026
Retailer 14$400 USD
Retailer 18$460 USD
Retailer 17$525 USD
Retailer 12$574 USD
Retailer 16$598 USD
Retailer 5$663 USD
Retailer 3$695 USD
Retailer 2$697 USD
Retailer 6$725 USD
Retailer 9$759 USD
Retailer 4$920 USD
Retailer 10$972 USD
Retailer 11$1,079 USD
Retailer 13$1,120 USD
Retailer 7$1,307 USD
Retailer 15$1,526 USD
Retailer 8$1,565 USD
MOH London$1,574 USD

34 data points across 18 retailers

18 retailers$400 USD to $1,574 USD

A
Cheapest Retailer
-
$400 USD
Final sale: no returns
A
Retailer 2
-
$460 USD
£362 GBP
View
Retailer 3
-
$525 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$574 USD
View
B+
Retailer 5
-
$598 USD
View
Retailer 6
-
$663 USD
ZAR 10,717 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$695 USD
£547 GBP
View
B+
Retailer 8
-
$697 USD
€664 EUR
View
B+
Retailer 9
-
$725 USD
View
B+
Retailer 10
-
$759 USD
A$1,168 AUD
View
Retailer 11
-
$920 USD
A$1,416 AUD
View
Price last confirmed 7 days ago
Retailer 12
-
$972 USD
A$1,496 AUD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$1,079 USD
View
B
Retailer 14
-
$1,120 USD
View
Retailer 15
-
$1,307 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
$1,526 USD
View
Retailer 17
-
$1,565 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG823677258 · Oct 26
$1,574 USD
£1,239 GBP
View
17 more retailers have this diamond
Prices start from $400 USDSave up to $1,174 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
1.51ct Cushion
$400 USD