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Marquise|Lab Grown|IGI

1.20ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800680286

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800680286

Diamond specifications and retailer prices

From $968 AUD
HK$5,300 HKD
As of October 31, 2026
Save $2,318 AUD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,286 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG800680286 or 800680286. Listed at 13 retailers as of October 31, 2026, with prices from $968 to $3,286, a $2,318 spread on the same certified stone. With Clarity lists it at $3,286. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800680286
Dimensions10.83 × 5.59 × 3.52 mm
L/W Ratio1.94
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
10.83 mm5.59 mm1.20 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800680286
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

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 31
Current: $1,390 AUD|Low: $722 AUD|High: $4,052 AUD|Avg: $1,977 AUD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 1, 2026
Retailer 3$968 AUD
Retailer 9$1,156 AUD
Retailer 2$1,184 AUD
Retailer 12$1,217 AUD
Retailer 5$1,291 AUD
Retailer 1$1,390 AUD
Retailer 4$1,491 AUD
Retailer 11$1,959 AUD
Retailer 10$2,736 AUD
Retailer 6$3,095 AUD
Retailer 7$3,111 AUD
Retailer 8$3,232 AUD
With Clarity$3,286 AUD

40 data points across 13 retailers

13 retailers$968 AUD to $3,286 AUD

A
Cheapest Retailer
-
$968 AUD
HK$5,300 HKD
A
Retailer 2
-
$1,156 AUD
$810 USD
View
B+
Retailer 3
-
$1,184 AUD
$830 USD
View
A
Retailer 4
-
$1,217 AUD
$853 USD
View
B+
Retailer 5
-
$1,291 AUD
€862 EUR
View
B+
Retailer 6
-
$1,390 AUD
£767 GBP
View
B+
Retailer 7
-
$1,491 AUD
View
Retailer 8
-
$1,959 AUD
$1,373 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$2,736 AUD
$1,917 USD
View
B
Retailer 10
-
$3,095 AUD
£1,708 GBP
View
B
Retailer 11
-
$3,111 AUD
$2,180 USD
View
B
Retailer 12
-
$3,232 AUD
$2,265 USD
View
Most Expensive
B
With Clarity
800680286 · Oct 31
$3,286 AUD
$2,303 USD
View
12 more retailers have this diamond
Prices start from $968 AUDSave up to $2,318 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
1.20ct Marquise
$968 AUD