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Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG818663597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818663597

Diamond specifications and retailer prices

From $317 SGD
$248 USD
As of October 30, 2026
Save $1,405 SGD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,557 SGD at Brilliant Earth · As of September 19, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818663597 or 818663597. Listed at 23 retailers as of October 30, 2026, with a 443% 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

1.01
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663597
Dimensions10.37 × 5.27 × 3.30 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm5.27 mm1.01 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663597
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.6%

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: $741 SGD|Low: $304 SGD|High: $1,722 SGD|Avg: $779 SGD|+2.5%
Retailer 1
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
October 31, 2026
Retailer 4$317 SGD
Retailer 18$354 SGD
Retailer 8$368 SGD
Retailer 5$394 SGD
Retailer 9$394 SGD
Retailer 12$417 SGD
Retailer 11$527 SGD
Retailer 13$628 SGD
Retailer 15$676 SGD
Retailer 1$741 SGD
Retailer 6$771 SGD
Retailer 10$782 SGD
Retailer 16$957 SGD
Retailer 17$988 SGD
Retailer 7$1,264 SGD
Retailer 3$1,353 SGD
Retailer 14$1,585 SGD
Retailer 2$1,722 SGD

39 data points across 18 retailers

23 retailers$317 SGD to $1,722 SGD

A
Cheapest Retailer
-
$317 SGD
$248 USD
A
Retailer 2
-
$354 SGD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$368 SGD
$288 USD
View
A
Retailer 4
-
$394 SGD
$308 USD
View
A
Retailer 5
-
$394 SGD
$308 USD
View
A
Retailer 6
-
$417 SGD
£257 GBP
View
A
Retailer 7
-
$527 SGD
$412 USD
View
A
Retailer 8
-
$628 SGD
€468 EUR
View
A
Retailer 9
-
$676 SGD
ZAR 8,537 ZAR
View
A
Retailer 10
-
$739 SGD
$578 USD
View
A
Retailer 11
-
$741 SGD
£457 GBP
View
A
Retailer 12
-
$771 SGD
A$928 AUD
View
A
Retailer 13
-
$782 SGD
$612 USD
View
B+
Retailer 14
-
$818 SGD
$640 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$957 SGD
A$1,152 AUD
View
B+
Retailer 16
-
$988 SGD
$773 USD
View
B+
Retailer 17
-
$1,264 SGD
$989 USD
View
B
Retailer 18
-
$1,330 SGD
$1,041 USD
View
Retailer 19
-
$1,353 SGD
A$1,628 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$1,372 SGD
$1,073 USD
View
B+
Retailer 21
-
$1,585 SGD
£976 GBP
View
B
Retailer 22
-
$1,722 SGD
$1,347 USD
View
Most Expensive
Brilliant Earth
21103692A · Sep 19
$2,557 SGD
$2,000 USD
View
Price last confirmed 41 days ago
22 more retailers have this diamond
Prices start from $317 SGDSave up to $1,405 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
1.01ct Marquise
$317 SGD