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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 $721 SGD
$564 USD
As of October 30, 2026
Save $2,290 SGD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,903 SGD at MOH London · As of October 21, 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 a 318% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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: $3,903 SGD|Low: $693 SGD|High: $3,929 SGD|Avg: $1,714 SGD|+0.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 7$721 SGD
Retailer 14$807 SGD
Retailer 10$808 SGD
Retailer 4$894 SGD
Retailer 20$894 SGD
Retailer 9$982 SGD
Retailer 15$1,061 SGD
Retailer 3$1,143 SGD
Retailer 12$1,153 SGD
Retailer 16$1,358 SGD
Retailer 8$1,377 SGD
Retailer 2$1,395 SGD
Retailer 13$1,537 SGD
Retailer 21$2,218 SGD
Retailer 19$2,351 SGD
Retailer 11$2,825 SGD
Retailer 17$2,889 SGD
Retailer 5$2,898 SGD
Retailer 18$2,921 SGD
Retailer 6$3,011 SGD
MOH London$3,903 SGD

43 data points across 21 retailers

22 retailers$721 SGD to $3,011 SGD

A
Cheapest Retailer
-
$721 SGD
$564 USD
A
Retailer 2
-
$807 SGD
$631 USD
View
Final sale: no returns
A
Retailer 3
-
$808 SGD
$632 USD
View
Retailer 4
-
$894 SGD
$699 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$894 SGD
$699 USD
View
B+
Retailer 6
-
$982 SGD
HK$6,000 HKD
View
B+
Retailer 7
-
$1,061 SGD
$830 USD
View
B+
Retailer 8
-
$1,143 SGD
$894 USD
View
B+
Retailer 9
-
$1,153 SGD
$902 USD
View
B+
Retailer 10
-
$1,358 SGD
€1,012 EUR
View
B+
Retailer 11
-
$1,377 SGD
$1,077 USD
View
B+
Retailer 12
-
$1,395 SGD
£859 GBP
View
B+
Retailer 13
-
$1,537 SGD
ZAR 19,418 ZAR
View
B
Retailer 14
-
$2,218 SGD
$1,735 USD
View
B
Retailer 15
-
$2,351 SGD
$1,839 USD
View
B
Retailer 16
-
$2,611 SGD
£1,608 GBP
View
B
Retailer 17
-
$2,825 SGD
View
B
Retailer 18
-
$2,889 SGD
$2,260 USD
View
B
Retailer 19
-
$2,898 SGD
$2,267 USD
View
B
Retailer 20
-
$2,921 SGD
$2,285 USD
View
B
Retailer 21
-
$3,011 SGD
$2,355 USD
View
Most Expensive
MOH London
LG823694876 · Oct 21
$3,903 SGD
£2,404 GBP
View
Price last confirmed 11 days ago
21 more retailers have this diamond
Prices start from $721 SGDSave up to $2,290 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
1.21ct Marquise
$721 SGD