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Marquise|Lab Grown|IGI

1.85ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG811645326

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811645326

Diamond specifications and retailer prices

From $478 AUD
$336 USD
As of October 30, 2026
Save $2,711 AUD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,189 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811645326 or 811645326. Listed at 25 retailers as of October 30, 2026, with prices from $478 to $3,189, a $2,711 spread on the same certified stone. Brilliant Earth lists it at $3,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811645326
Dimensions13.27 × 6.33 × 3.97 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.27 mm6.33 mm1.85 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811645326
Side View
Table 64.0%Crown 34.4°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.7%

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 30
Current: $3,189 AUD|Low: $460 AUD|High: $4,228 AUD|Avg: $1,382 AUD|-24.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 9$478 AUD
Retailer 10$534 AUD
Retailer 4$555 AUD
Retailer 5$594 AUD
Retailer 8$594 AUD
Retailer 3$631 AUD
Retailer 13$797 AUD
Retailer 20$797 AUD
Retailer 21$916 AUD
Retailer 19$1,020 AUD
Retailer 16$1,064 AUD
Retailer 15$1,085 AUD
Retailer 11$1,275 AUD
Retailer 2$1,379 AUD
Retailer 18$1,383 AUD
Retailer 14$1,908 AUD
Retailer 6$2,242 AUD
Retailer 7$2,318 AUD
Retailer 12$2,341 AUD
Retailer 17$2,392 AUD
Retailer 22$2,876 AUD
Brilliant Earth$3,189 AUD

39 data points across 22 retailers

25 retailers$478 AUD to $3,189 AUD

A
Cheapest Retailer
-
$478 AUD
$336 USD
A
Retailer 2
-
$534 AUD
$375 USD
View
Final sale: no returns
A
Retailer 3
-
$555 AUD
$390 USD
View
A
Retailer 4
-
$594 AUD
$417 USD
View
A
Retailer 5
-
$594 AUD
$417 USD
View
Retailer 6
-
$631 AUD
£349 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$797 AUD
$560 USD
View
A
Retailer 8
-
$797 AUD
$560 USD
View
A
Retailer 9
-
$916 AUD
€613 EUR
View
A
Retailer 10
-
$1,020 AUD
ZAR 11,573 ZAR
View
A
Retailer 11
-
$1,064 AUD
£588 GBP
View
A
Retailer 12
-
$1,085 AUD
$762 USD
View
B+
Retailer 13
-
$1,275 AUD
$895 USD
View
B+
Retailer 14
-
$1,298 AUD
$912 USD
View
B+
Retailer 15
-
$1,379 AUD
$969 USD
View
B+
Retailer 16
-
$1,383 AUD
View
B+
Retailer 17
-
$1,882 AUD
$1,322 USD
View
B+
Retailer 18
-
$1,908 AUD
$1,340 USD
View
B+
Retailer 19
-
$1,970 AUD
$1,384 USD
View
B
Retailer 20
-
$2,242 AUD
$1,575 USD
View
B
Retailer 21
-
$2,318 AUD
$1,628 USD
View
Retailer 22
-
$2,341 AUD
View
Price last confirmed 26 days ago
B+
Retailer 23
-
$2,392 AUD
£1,323 GBP
View
B
Retailer 24
-
$2,876 AUD
$2,020 USD
View
Most Expensive
B
Brilliant Earth
20659598A · Oct 30
$3,189 AUD
$2,240 USD
View
24 more retailers have this diamond
Prices start from $478 AUDSave up to $2,711 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
1.85ct Marquise
$478 AUD