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Marquise|Lab Grown|IGI

1.21ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823694876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823694876

Diamond specifications and retailer prices

From $805 AUD
$564 USD
As of October 30, 2026
Save $3,528 AUD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,333 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823694876 or 823694876. Listed at 22 retailers as of October 30, 2026, with prices from $805 to $4,333, a $3,528 spread on the same certified stone. MOH London lists it at $4,333. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694876
Dimensions10.56 × 5.67 × 3.56 mm
L/W Ratio1.86
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
10.56 mm5.67 mm1.21 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694876
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.8%

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: $4,333 AUD|Low: $773 AUD|High: $4,385 AUD|Avg: $1,914 AUD
MOH London
Retailer 2
Retailer 3
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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
November 1, 2026
Retailer 7$805 AUD
Retailer 14$900 AUD
Retailer 10$902 AUD
Retailer 4$997 AUD
Retailer 20$997 AUD
Retailer 9$1,096 AUD
Retailer 15$1,184 AUD
Retailer 3$1,276 AUD
Retailer 12$1,287 AUD
Retailer 16$1,516 AUD
Retailer 8$1,537 AUD
Retailer 2$1,557 AUD
Retailer 13$1,715 AUD
Retailer 21$2,476 AUD
Retailer 19$2,624 AUD
Retailer 11$3,153 AUD
Retailer 17$3,225 AUD
Retailer 5$3,235 AUD
Retailer 18$3,260 AUD
Retailer 6$3,361 AUD
MOH London$4,333 AUD

42 data points across 21 retailers

22 retailers$805 AUD to $4,333 AUD

A
Cheapest Retailer
-
$805 AUD
$564 USD
A
Retailer 2
-
$900 AUD
$631 USD
View
Final sale: no returns
A
Retailer 3
-
$902 AUD
$632 USD
View
Retailer 4
-
$997 AUD
$699 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$997 AUD
$699 USD
View
B+
Retailer 6
-
$1,096 AUD
HK$6,000 HKD
View
B+
Retailer 7
-
$1,184 AUD
$830 USD
View
B+
Retailer 8
-
$1,276 AUD
$894 USD
View
B+
Retailer 9
-
$1,287 AUD
$902 USD
View
B+
Retailer 10
-
$1,516 AUD
€1,012 EUR
View
B+
Retailer 11
-
$1,537 AUD
$1,077 USD
View
B+
Retailer 12
-
$1,557 AUD
£859 GBP
View
B+
Retailer 13
-
$1,715 AUD
ZAR 19,418 ZAR
View
B
Retailer 14
-
$2,476 AUD
$1,735 USD
View
B
Retailer 15
-
$2,624 AUD
$1,839 USD
View
B
Retailer 16
-
$2,914 AUD
£1,608 GBP
View
B
Retailer 17
-
$3,153 AUD
SGD 2,986 SGD
View
B
Retailer 18
-
$3,225 AUD
$2,260 USD
View
B
Retailer 19
-
$3,235 AUD
$2,267 USD
View
B
Retailer 20
-
$3,260 AUD
$2,285 USD
View
B
Retailer 21
-
$3,361 AUD
$2,355 USD
View
Most Expensive
B
MOH London
LG823694876 · Nov 1
$4,333 AUD
£2,391 GBP
View
21 more retailers have this diamond
Prices start from $805 AUDSave up to $3,528 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
1.21ct Marquise
$805 AUD