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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG628401222

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628401222

Diamond specifications and retailer prices

From $284 SGD
$222 USD
As of October 30, 2026
Save $2,107 SGD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,391 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG628401222 or 628401222. Listed at 27 retailers as of October 29, 2026, with prices from $284 to $2,391, a $2,107 spread on the same certified stone. Do Amore Diamonds lists it at $2,391. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628401222
Dimensions5.12 × 5.12 × 3.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
5.12 mm5.12 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628401222
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

Caratlytics Score

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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: $2,391 SGD|Low: $249 SGD|High: $2,391 SGD|Avg: $951 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 10$249 SGD
Retailer 18$284 SGD
Retailer 6$309 SGD
Retailer 5$483 SGD
Retailer 17$491 SGD
Retailer 8$578 SGD
Retailer 14$579 SGD
Retailer 16$587 SGD
Retailer 3$614 SGD
Retailer 13$633 SGD
Retailer 11$736 SGD
Retailer 20$998 SGD
Retailer 12$1,183 SGD
Retailer 7$1,318 SGD
Retailer 19$1,361 SGD
Retailer 9$1,362 SGD
Retailer 15$1,377 SGD
Retailer 4$1,507 SGD
Retailer 2$1,751 SGD
Do Amore Diamonds$2,391 SGD

42 data points across 20 retailers

27 retailers$284 SGD to $2,391 SGD

Retailer 1
-
$249 SGD
$195 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$284 SGD
$222 USD
View
Final sale: no returns
Retailer 3
-
$297 SGD
$232 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$309 SGD
$242 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$309 SGD
$242 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$344 SGD
$269 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$363 SGD
$284 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$483 SGD
$378 USD
View
A
Retailer 9
-
$491 SGD
HK$3,000 HKD
View
A
Retailer 10
-
$578 SGD
$452 USD
View
A
Retailer 11
-
$579 SGD
€431 EUR
View
A
Retailer 12
-
$587 SGD
ZAR 7,415 ZAR
View
A
Retailer 13
-
$614 SGD
$480 USD
View
A
Retailer 14
-
$633 SGD
£390 GBP
View
A
Retailer 15
-
$736 SGD
$576 USD
View
B+
Retailer 16
-
$998 SGD
$781 USD
View
B+
Retailer 17
-
$1,098 SGD
$859 USD
View
Retailer 18
-
$1,098 SGD
$859 USD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$1,183 SGD
View
Retailer 20
-
$1,305 SGD
$1,021 USD
View
Price last confirmed 30 days ago
B+
Retailer 21
-
$1,318 SGD
$1,031 USD
View
B+
Retailer 22
-
$1,361 SGD
$1,065 USD
View
Retailer 23
-
$1,362 SGD
A$1,639 AUD
View
Price last confirmed 23 days ago
B+
Retailer 24
-
$1,377 SGD
£848 GBP
View
B
Retailer 25
-
$1,507 SGD
$1,179 USD
View
B
Retailer 26
-
$1,751 SGD
$1,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE3709F7E · Oct 29
$2,391 SGD
$1,870 USD
View
26 more retailers have this diamond
Prices start from $284 SGDSave up to $2,107 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
1.03ct Marquise
$284 SGD