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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG630456349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630456349

Diamond specifications and retailer prices

From $486 NZD
$274 USD
As of October 31, 2026
Save $1,892 NZD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,087 NZD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

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 LG630456349 or 630456349. Listed at 22 retailers as of October 30, 2026, with a 389% 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

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630456349
Dimensions10.30 × 5.29 × 3.36 mm
L/W Ratio1.95
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
10.30 mm5.29 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630456349
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

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 31
Current: $3,087 NZD|Low: $486 NZD|High: $3,087 NZD|Avg: $1,286 NZD
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
November 1, 2026
Retailer 12$486 NZD
Retailer 3$541 NZD
Retailer 5$613 NZD
Retailer 9$727 NZD
Retailer 15$930 NZD
Retailer 18$932 NZD
Retailer 7$951 NZD
Retailer 11$985 NZD
Retailer 2$1,028 NZD
Retailer 19$1,057 NZD
Retailer 16$1,321 NZD
Retailer 13$1,348 NZD
Retailer 10$1,452 NZD
Retailer 6$1,741 NZD
Retailer 8$1,832 NZD
Retailer 17$1,890 NZD
Retailer 14$2,181 NZD
Retailer 4$2,379 NZD
Brilliant Earth$3,087 NZD

42 data points across 19 retailers

22 retailers$486 NZD to $2,379 NZD

Retailer 1
-
$436 NZD
$246 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$486 NZD
$274 USD
View
Final sale: no returns
Retailer 3
-
$541 NZD
$305 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$541 NZD
$305 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$546 NZD
$308 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$613 NZD
HK$2,700 HKD
View
A
Retailer 7
-
$727 NZD
$410 USD
View
A
Retailer 8
-
$930 NZD
ZAR 8,468 ZAR
View
A
Retailer 9
-
$932 NZD
€500 EUR
View
A
Retailer 10
-
$951 NZD
$536 USD
View
A
Retailer 11
-
$1,028 NZD
£456 GBP
View
A
Retailer 12
-
$1,057 NZD
$596 USD
View
B+
Retailer 13
-
$1,321 NZD
A$1,145 AUD
View
B+
Retailer 14
-
$1,348 NZD
$760 USD
View
B+
Retailer 15
-
$1,361 NZD
$767 USD
View
B+
Retailer 16
-
$1,452 NZD
SGD 1,106 SGD
View
Retailer 17
-
$1,741 NZD
$981 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$1,832 NZD
$1,033 USD
View
B+
Retailer 19
-
$1,890 NZD
A$1,639 AUD
View
B+
Retailer 20
-
$2,181 NZD
£968 GBP
View
B
Retailer 21
-
$2,379 NZD
$1,341 USD
View
Most Expensive
Brilliant Earth
14010213A · Oct 17
$3,087 NZD
$1,740 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from $486 NZDSave up to $1,892 NZD

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
$486 NZD