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Round|Lab Grown|IGI

1.40ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG818686580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686580

Diamond specifications and retailer prices

From $293 SGD
$229 USD
As of October 29, 2026
Save $1,165 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,457 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686580 or 818686580. Listed at 16 retailers as of October 28, 2026, with prices from $293 to $1,457, a $1,165 spread on the same certified stone. Brilliant Earth lists it at $1,457. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686580
Dimensions7.13 × 7.10 × 4.37 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
7.13 mm7.10 mm1.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686580
Side View
Table 60.0%Crown 36.1°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 61.4%

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: Oct 29
Current: $1,457 SGD|Low: $293 SGD|High: $1,572 SGD|Avg: $923 SGD|-7.3%
Brilliant Earth
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 29, 2026
Retailer 11$293 SGD
Retailer 12$363 SGD
Retailer 13$616 SGD
Retailer 6$623 SGD
Retailer 2$658 SGD
Retailer 5$681 SGD
Retailer 9$799 SGD
Retailer 7$885 SGD
Retailer 10$951 SGD
Retailer 4$1,233 SGD
Retailer 3$1,332 SGD
Retailer 8$1,455 SGD
Brilliant Earth$1,457 SGD

30 data points across 13 retailers

16 retailers$293 SGD to $1,457 SGD

A
Cheapest Retailer
-
$293 SGD
$229 USD
A
Retailer 2
-
$339 SGD
$265 USD
View
A
Retailer 3
-
$363 SGD
$284 USD
View
A
Retailer 4
-
$363 SGD
$284 USD
View
A
Retailer 5
-
$616 SGD
$482 USD
View
A
Retailer 6
-
$623 SGD
ZAR 7,874 ZAR
View
A
Retailer 7
-
$658 SGD
€490 EUR
View
A
Retailer 8
-
$681 SGD
$533 USD
View
A
Retailer 9
-
$799 SGD
$625 USD
View
A
Retailer 10
-
$885 SGD
A$1,065 AUD
View
B+
Retailer 11
-
$951 SGD
$744 USD
View
B+
Retailer 12
-
$1,166 SGD
$912 USD
View
B+
Retailer 13
-
$1,233 SGD
$964 USD
View
B+
Retailer 14
-
$1,359 SGD
$1,063 USD
View
B+
Retailer 15
-
$1,455 SGD
£896 GBP
View
Most Expensive
B+
Brilliant Earth
21297540A · Oct 28
$1,457 SGD
$1,140 USD
View
15 more retailers have this diamond
Prices start from $293 SGDSave up to $1,165 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
1.40ct Round
$293 SGD