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Cushion|Lab Grown|IGI

1.80ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG840635147

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840635147

Diamond specifications and retailer prices

From $290 USD
As of November 1, 2026
Save $1,998 USD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,288 USD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840635147 or 840635147. Listed at 18 retailers as of November 1, 2026, with prices from $290 to $2,288, a $1,998 spread on the same certified stone. Helzberg Diamonds lists it at $2,288. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635147
Dimensions9.02 × 6.19 × 3.85 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.02 mm6.19 mm1.80 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635147
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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: $2,288 USD|Low: $290 USD|High: $3,050 USD|Avg: $959 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 4$290 USD
Retailer 12$340 USD
Retailer 14$475 USD
Retailer 8$535 USD
Retailer 11$555 USD
Retailer 13$570 USD
Retailer 7$596 USD
Retailer 2$609 USD
Retailer 3$748 USD
Retailer 15$810 USD
Retailer 9$844 USD
Retailer 10$1,085 USD
Retailer 5$1,117 USD
Retailer 6$1,151 USD
Retailer 17$1,295 USD
Retailer 18$1,755 USD
Retailer 16$1,980 USD
Helzberg Diamonds$2,288 USD

15 data points across 18 retailers

18 retailers$290 USD to $2,288 USD

A
Cheapest Retailer
-
$290 USD
Final sale: no returns
A
Retailer 2
-
$340 USD
£268 GBP
View
A
Retailer 3
-
$475 USD
View
B+
Retailer 4
-
$535 USD
View
A
Retailer 5
-
$555 USD
ZAR 8,967 ZAR
View
A
Retailer 6
-
$570 USD
€543 EUR
View
A
Retailer 7
-
$596 USD
View
A
Retailer 8
-
$609 USD
£480 GBP
View
A
Retailer 9
-
$748 USD
A$1,150 AUD
View
A
Retailer 10
-
$810 USD
View
A
Retailer 11
-
$844 USD
View
B+
Retailer 12
-
$1,085 USD
View
B+
Retailer 13
-
$1,117 USD
SGD 1,509 SGD
View
B+
Retailer 14
-
$1,151 USD
View
B+
Retailer 15
-
$1,295 USD
£1,020 GBP
View
B
Retailer 16
-
$1,755 USD
View
B
Retailer 17
-
$1,980 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLHKN · Nov 1
$2,288 USD
View
17 more retailers have this diamond
Prices start from $290 USDSave up to $1,998 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
1.80ct Cushion
$290 USD