CaratHunter
Plans
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 $371 SGD
$290 USD
As of November 1, 2026
Save $2,555 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,926 SGD 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 $371 to $2,926, a $2,555 spread on the same certified stone. Helzberg Diamonds lists it at $2,926. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,926 SGD|Low: $371 SGD|High: $3,901 SGD|Avg: $1,226 SGD
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$371 SGD
Retailer 11$435 SGD
Retailer 15$607 SGD
Retailer 8$684 SGD
Retailer 13$710 SGD
Retailer 14$729 SGD
Retailer 7$762 SGD
Retailer 12$779 SGD
Retailer 3$956 SGD
Retailer 2$1,047 SGD
Retailer 9$1,079 SGD
Retailer 10$1,387 SGD
Retailer 5$1,428 SGD
Retailer 6$1,472 SGD
Retailer 17$1,657 SGD
Retailer 18$2,244 SGD
Retailer 16$2,532 SGD
Helzberg Diamonds$2,926 SGD

15 data points across 18 retailers

18 retailers$371 SGD to $2,926 SGD

A
Cheapest Retailer
-
$371 SGD
$290 USD
Final sale: no returns
A
Retailer 2
-
$435 SGD
£268 GBP
View
A
Retailer 3
-
$607 SGD
$475 USD
View
B+
Retailer 4
-
$684 SGD
$535 USD
View
A
Retailer 5
-
$710 SGD
ZAR 8,967 ZAR
View
A
Retailer 6
-
$729 SGD
€543 EUR
View
A
Retailer 7
-
$762 SGD
$596 USD
View
A
Retailer 8
-
$779 SGD
£480 GBP
View
A
Retailer 9
-
$956 SGD
A$1,150 AUD
View
A
Retailer 10
-
$1,047 SGD
$819 USD
View
A
Retailer 11
-
$1,079 SGD
$844 USD
View
B+
Retailer 12
-
$1,387 SGD
$1,085 USD
View
B+
Retailer 13
-
$1,428 SGD
View
B+
Retailer 14
-
$1,472 SGD
$1,151 USD
View
B+
Retailer 15
-
$1,657 SGD
£1,020 GBP
View
B
Retailer 16
-
$2,244 SGD
$1,755 USD
View
B
Retailer 17
-
$2,532 SGD
$1,980 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLHKN · Nov 1
$2,926 SGD
$2,288 USD
View
17 more retailers have this diamond
Prices start from $371 SGDSave up to $2,555 SGD

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
$371 SGD