Marquise|Lab Grown|IGI

0.99ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818670617

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818670617

Diamond specifications and retailer prices

From $253 AUD
$178 USD
As of October 30, 2026
Save $1,220 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,473 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.99ct lab-grown marquise diamond

This 0.99ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818670617 or 818670617. Listed at 19 retailers as of October 29, 2026, with prices from $253 to $1,473, a $1,220 spread on the same certified stone. MOH London lists it at $1,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818670617
Dimensions10.46 × 5.24 × 3.21 mm
L/W Ratio2.00
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
10.46 mm5.24 mm0.99 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818670617
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.3%

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: $1,473 AUD|Low: $242 AUD|High: $1,631 AUD|Avg: $713 AUD|-8.6%
MOH London
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
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Retailer 17
Retailer 18
October 31, 2026
Retailer 18$253 AUD
Retailer 8$283 AUD
Retailer 7$293 AUD
Retailer 3$313 AUD
Retailer 10$313 AUD
Retailer 14$556 AUD
Retailer 5$557 AUD
Retailer 2$563 AUD
Retailer 12$566 AUD
Retailer 6$569 AUD
Retailer 13$781 AUD
Retailer 16$786 AUD
Retailer 4$1,008 AUD
Retailer 15$1,046 AUD
Retailer 9$1,085 AUD
Retailer 11$1,153 AUD
Retailer 17$1,176 AUD
MOH London$1,473 AUD

44 data points across 18 retailers

19 retailers$253 AUD to $1,473 AUD

A
Cheapest Retailer
-
$253 AUD
$178 USD
A
Retailer 2
-
$283 AUD
$199 USD
View
Final sale: no returns
A
Retailer 3
-
$293 AUD
$206 USD
View
A
Retailer 4
-
$313 AUD
$220 USD
View
A
Retailer 5
-
$313 AUD
$220 USD
View
A
Retailer 6
-
$556 AUD
€372 EUR
View
A
Retailer 7
-
$557 AUD
$391 USD
View
A
Retailer 8
-
$563 AUD
£311 GBP
View
A
Retailer 9
-
$566 AUD
ZAR 6,426 ZAR
View
A
Retailer 10
-
$569 AUD
$400 USD
View
B+
Retailer 11
-
$781 AUD
View
B+
Retailer 12
-
$786 AUD
$552 USD
View
B+
Retailer 13
-
$945 AUD
SGD 897 SGD
View
B+
Retailer 14
-
$1,008 AUD
$708 USD
View
B+
Retailer 15
-
$1,046 AUD
$735 USD
View
B+
Retailer 16
-
$1,085 AUD
$762 USD
View
B+
Retailer 17
-
$1,153 AUD
$810 USD
View
B
Retailer 18
-
$1,176 AUD
$826 USD
View
Most Expensive
B
MOH London
LG818670617 · Oct 29
$1,473 AUD
£815 GBP
View
18 more retailers have this diamond
Prices start from $253 AUDSave up to $1,220 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
0.99ct Marquise
$253 AUD