Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG800658680

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800658680

Diamond specifications and retailer prices

From $289 AUD
$203 USD
As of October 23, 2026
Save $2,487 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,776 AUD at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown marquise diamond

This 1.43ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG800658680 or 800658680. Listed at 14 retailers as of October 23, 2026, with prices from $289 to $2,776, a $2,487 spread on the same certified stone. Do Amore Diamonds lists it at $2,776. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800658680
Dimensions11.57 × 5.82 × 3.74 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.82 mm1.43 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800658680
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

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: Oct 23
Current: $2,776 AUD|Low: $180 AUD|High: $3,146 AUD|Avg: $921 AUD|-11.8%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 25, 2026
Retailer 11$180 AUD
Retailer 14$219 AUD
Retailer 20$289 AUD
Retailer 4$428 AUD
Retailer 3$483 AUD
Retailer 12$570 AUD
Retailer 13$638 AUD
Retailer 6$647 AUD
Retailer 18$658 AUD
Retailer 10$688 AUD
Retailer 5$815 AUD
Retailer 16$966 AUD
Retailer 21$1,157 AUD
Retailer 7$1,180 AUD
Retailer 9$1,247 AUD
Retailer 2$1,272 AUD
Retailer 19$1,288 AUD
Retailer 15$1,591 AUD
Retailer 8$1,674 AUD
Retailer 17$2,164 AUD
Do Amore Diamonds$2,776 AUD

15 data points across 21 retailers

14 retailers$289 AUD to $2,776 AUD

A
Cheapest Retailer
-
$289 AUD
$203 USD
A
Retailer 2
-
$428 AUD
$300 USD
View
B+
Retailer 3
-
$483 AUD
$339 USD
View
A
Retailer 4
-
$638 AUD
€427 EUR
View
A
Retailer 5
-
$658 AUD
$462 USD
View
A
Retailer 6
-
$815 AUD
$573 USD
View
B+
Retailer 7
-
$966 AUD
View
B+
Retailer 8
-
$1,157 AUD
$813 USD
View
Retailer 9
-
$1,247 AUD
$876 USD
View
Price last confirmed 51 days ago
B+
Retailer 10
-
$1,272 AUD
View
B+
Retailer 11
-
$1,288 AUD
$905 USD
View
B
Retailer 12
-
$1,591 AUD
£880 GBP
View
B
Retailer 13
-
$2,164 AUD
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE37479C3 · Oct 26
$2,776 AUD
$1,950 USD
View
13 more retailers have this diamond
Prices start from $289 AUDSave up to $2,487 AUD

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
1.43ct Marquise
$289 AUD