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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 $867 SGD
HK$5,300 HKD
As of October 31, 2026
Save $2,077 SGD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,944 SGD 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 $867 to $2,944, a $2,077 spread on the same certified stone. With Clarity lists it at $2,944. 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: $1,246 SGD|Low: $647 SGD|High: $3,630 SGD|Avg: $1,776 SGD|-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$867 SGD
Retailer 9$1,036 SGD
Retailer 2$1,061 SGD
Retailer 12$1,090 SGD
Retailer 5$1,157 SGD
Retailer 1$1,246 SGD
Retailer 4$1,336 SGD
Retailer 11$1,755 SGD
Retailer 10$2,451 SGD
Retailer 6$2,773 SGD
Retailer 7$2,787 SGD
Retailer 8$2,896 SGD
With Clarity$2,944 SGD

42 data points across 13 retailers

13 retailers$867 SGD to $2,944 SGD

A
Cheapest Retailer
-
$867 SGD
HK$5,300 HKD
A
Retailer 2
-
$1,036 SGD
$810 USD
View
B+
Retailer 3
-
$1,061 SGD
$830 USD
View
A
Retailer 4
-
$1,090 SGD
$853 USD
View
B+
Retailer 5
-
$1,157 SGD
€862 EUR
View
B+
Retailer 6
-
$1,246 SGD
£767 GBP
View
B+
Retailer 7
-
$1,336 SGD
A$1,608 AUD
View
Retailer 8
-
$1,755 SGD
$1,373 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,451 SGD
$1,917 USD
View
B
Retailer 10
-
$2,773 SGD
£1,708 GBP
View
B
Retailer 11
-
$2,787 SGD
$2,180 USD
View
B
Retailer 12
-
$2,896 SGD
$2,265 USD
View
Most Expensive
B
With Clarity
800680286 · Oct 31
$2,944 SGD
$2,303 USD
View
12 more retailers have this diamond
Prices start from $867 SGDSave up to $2,077 SGD

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
$867 SGD