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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 $316 AUD
$222 USD
As of October 30, 2026
Save $2,346 AUD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,662 AUD at Do Amore Diamonds · As of October 31, 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 30, 2026, with prices from $316 to $2,662, a $2,346 spread on the same certified stone. Do Amore Diamonds lists it at $2,662. 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
Dimensions11.00 × 5.12 × 3.25 mm
L/W Ratio2.15
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
11.00 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

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: $2,662 AUD|Low: $278 AUD|High: $2,662 AUD|Avg: $1,059 AUD
Do Amore Diamonds
Retailer 2
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Retailer 10
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Retailer 12
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Retailer 19
Retailer 20
October 31, 2026
Retailer 10$278 AUD
Retailer 18$316 AUD
Retailer 6$345 AUD
Retailer 5$538 AUD
Retailer 17$547 AUD
Retailer 8$643 AUD
Retailer 14$644 AUD
Retailer 16$653 AUD
Retailer 3$683 AUD
Retailer 2$705 AUD
Retailer 11$819 AUD
Retailer 20$1,112 AUD
Retailer 12$1,318 AUD
Retailer 7$1,468 AUD
Retailer 19$1,516 AUD
Retailer 9$1,517 AUD
Retailer 15$1,533 AUD
Retailer 4$1,678 AUD
Retailer 13$1,950 AUD
Do Amore Diamonds$2,662 AUD

43 data points across 20 retailers

27 retailers$316 AUD to $2,662 AUD

Retailer 1
-
$278 AUD
$195 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$316 AUD
$222 USD
View
Final sale: no returns
Retailer 3
-
$330 AUD
$232 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$345 AUD
$242 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$345 AUD
$242 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$383 AUD
$269 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$404 AUD
$284 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$538 AUD
$378 USD
View
A
Retailer 9
-
$547 AUD
HK$3,000 HKD
View
A
Retailer 10
-
$643 AUD
$452 USD
View
A
Retailer 11
-
$644 AUD
€431 EUR
View
A
Retailer 12
-
$653 AUD
ZAR 7,415 ZAR
View
A
Retailer 13
-
$683 AUD
$480 USD
View
A
Retailer 14
-
$705 AUD
£390 GBP
View
Retailer 15
-
$819 AUD
$576 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,112 AUD
$781 USD
View
B+
Retailer 17
-
$1,223 AUD
$859 USD
View
Retailer 18
-
$1,223 AUD
$859 USD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$1,318 AUD
SGD 1,251 SGD
View
Retailer 20
-
$1,453 AUD
$1,021 USD
View
Price last confirmed 30 days ago
B
Retailer 21
-
$1,468 AUD
$1,031 USD
View
B+
Retailer 22
-
$1,516 AUD
$1,065 USD
View
Retailer 23
-
$1,517 AUD
View
Price last confirmed 23 days ago
B+
Retailer 24
-
$1,533 AUD
£848 GBP
View
B
Retailer 25
-
$1,678 AUD
$1,179 USD
View
B
Retailer 26
-
$1,950 AUD
$1,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE3709F7E · Oct 31
$2,662 AUD
$1,870 USD
View
26 more retailers have this diamond
Prices start from $316 AUDSave up to $2,346 AUD

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
$316 AUD