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Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG665406307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG665406307

Diamond specifications and retailer prices

From $312 SGD
$244 USD
As of October 30, 2026
Save $1,392 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,224 SGD at Brilliant Earth · As of October 23, 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 LG665406307 or 665406307. Listed at 22 retailers as of October 30, 2026, with a 446% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665406307
Dimensions10.40 × 5.23 × 3.29 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm5.23 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665406307
Side View
Table 60.0%Crown 36.5°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,224 SGD|Low: $297 SGD|High: $2,224 SGD|Avg: $909 SGD
Brilliant Earth
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
October 31, 2026
Retailer 3$312 SGD
Retailer 12$362 SGD
Retailer 7$386 SGD
Retailer 10$386 SGD
Retailer 14$410 SGD
Retailer 8$649 SGD
Retailer 16$664 SGD
Retailer 5$680 SGD
Retailer 18$690 SGD
Retailer 2$727 SGD
Retailer 20$736 SGD
Retailer 13$771 SGD
Retailer 17$942 SGD
Retailer 6$1,020 SGD
Retailer 4$1,241 SGD
Retailer 11$1,308 SGD
Retailer 15$1,335 SGD
Retailer 19$1,549 SGD
Retailer 9$1,704 SGD
Brilliant Earth$2,224 SGD

33 data points across 20 retailers

22 retailers$312 SGD to $1,704 SGD

A
Cheapest Retailer
-
$312 SGD
$244 USD
A
Retailer 2
-
$358 SGD
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$362 SGD
$283 USD
View
A
Retailer 4
-
$386 SGD
$302 USD
View
A
Retailer 5
-
$386 SGD
$302 USD
View
A
Retailer 6
-
$410 SGD
£252 GBP
View
A
Retailer 7
-
$649 SGD
$508 USD
View
A
Retailer 8
-
$664 SGD
ZAR 8,385 ZAR
View
A
Retailer 9
-
$680 SGD
$532 USD
View
A
Retailer 10
-
$690 SGD
€514 EUR
View
A
Retailer 11
-
$727 SGD
£448 GBP
View
A
Retailer 12
-
$736 SGD
$576 USD
View
A
Retailer 13
-
$771 SGD
A$928 AUD
View
B+
Retailer 14
-
$942 SGD
A$1,134 AUD
View
B+
Retailer 15
-
$1,020 SGD
$798 USD
View
B+
Retailer 16
-
$1,241 SGD
$971 USD
View
B+
Retailer 17
-
$1,308 SGD
$1,023 USD
View
B+
Retailer 18
-
$1,335 SGD
A$1,606 AUD
View
B
Retailer 19
-
$1,414 SGD
$1,106 USD
View
B+
Retailer 20
-
$1,549 SGD
£954 GBP
View
B
Retailer 21
-
$1,704 SGD
$1,333 USD
View
Most Expensive
Brilliant Earth
14264558A · Oct 23
$2,224 SGD
$1,740 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $312 SGDSave up to $1,392 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
$312 SGD