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 $440 NZD
$248 USD
As of October 30, 2026
Save $1,950 NZD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,549 NZD 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: $1,029 NZD|Low: $422 NZD|High: $2,390 NZD|Avg: $1,081 NZD|+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$440 NZD
Retailer 18$491 NZD
Retailer 8$511 NZD
Retailer 5$546 NZD
Retailer 9$546 NZD
Retailer 12$579 NZD
Retailer 11$731 NZD
Retailer 13$872 NZD
Retailer 15$938 NZD
Retailer 1$1,029 NZD
Retailer 6$1,070 NZD
Retailer 10$1,086 NZD
Retailer 16$1,329 NZD
Retailer 17$1,372 NZD
Retailer 7$1,755 NZD
Retailer 3$1,878 NZD
Retailer 14$2,199 NZD
Retailer 2$2,390 NZD

39 data points across 18 retailers

23 retailers$440 NZD to $2,390 NZD

A
Cheapest Retailer
-
$440 NZD
$248 USD
A
Retailer 2
-
$491 NZD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$511 NZD
$288 USD
View
A
Retailer 4
-
$546 NZD
$308 USD
View
A
Retailer 5
-
$546 NZD
$308 USD
View
A
Retailer 6
-
$579 NZD
£257 GBP
View
A
Retailer 7
-
$731 NZD
$412 USD
View
A
Retailer 8
-
$872 NZD
€468 EUR
View
A
Retailer 9
-
$938 NZD
ZAR 8,537 ZAR
View
A
Retailer 10
-
$1,026 NZD
$578 USD
View
A
Retailer 11
-
$1,029 NZD
£457 GBP
View
A
Retailer 12
-
$1,070 NZD
A$928 AUD
View
A
Retailer 13
-
$1,086 NZD
$612 USD
View
Retailer 14
-
$1,135 NZD
$640 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,329 NZD
A$1,152 AUD
View
B+
Retailer 16
-
$1,372 NZD
$773 USD
View
B+
Retailer 17
-
$1,755 NZD
$989 USD
View
B
Retailer 18
-
$1,846 NZD
$1,041 USD
View
Retailer 19
-
$1,878 NZD
A$1,628 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$1,904 NZD
$1,073 USD
View
B+
Retailer 21
-
$2,199 NZD
£976 GBP
View
B
Retailer 22
-
$2,390 NZD
$1,347 USD
View
Most Expensive
Brilliant Earth
21103692A · Sep 19
$3,549 NZD
$2,000 USD
View
Price last confirmed 42 days ago
22 more retailers have this diamond
Prices start from $440 NZDSave up to $1,950 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
1.01ct Marquise
$440 NZD