Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG818668461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818668461

Diamond specifications and retailer prices

From $444 NZD
$250 USD
As of October 30, 2026
Save $1,959 NZD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,584 NZD at Brilliant Earth · As of September 26, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct 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 LG818668461 or 818668461. Listed at 24 retailers as of October 30, 2026, with a 442% 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

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668461
Dimensions9.99 × 5.28 × 3.30 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm5.28 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668461
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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 30
Current: $1,048 NZD|Low: $426 NZD|High: $2,402 NZD|Avg: $1,085 NZD|+3.3%
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 5$444 NZD
Retailer 3$497 NZD
Retailer 9$515 NZD
Retailer 6$550 NZD
Retailer 10$550 NZD
Retailer 2$585 NZD
Retailer 12$742 NZD
Retailer 18$834 NZD
Retailer 14$877 NZD
Retailer 16$946 NZD
Retailer 1$1,048 NZD
Retailer 7$1,070 NZD
Retailer 17$1,340 NZD
Retailer 11$1,372 NZD
Retailer 8$1,769 NZD
Retailer 13$1,865 NZD
Retailer 15$2,217 NZD
Retailer 4$2,402 NZD

37 data points across 18 retailers

24 retailers$444 NZD to $2,402 NZD

A
Cheapest Retailer
-
$444 NZD
$250 USD
A
Retailer 2
-
$497 NZD
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$515 NZD
$290 USD
View
A
Retailer 4
-
$550 NZD
$310 USD
View
A
Retailer 5
-
$550 NZD
$310 USD
View
Retailer 6
-
$585 NZD
£260 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$742 NZD
$418 USD
View
A
Retailer 8
-
$834 NZD
$470 USD
View
A
Retailer 9
-
$877 NZD
€471 EUR
View
A
Retailer 10
-
$946 NZD
ZAR 8,613 ZAR
View
A
Retailer 11
-
$1,043 NZD
$588 USD
View
A
Retailer 12
-
$1,048 NZD
£465 GBP
View
A
Retailer 13
-
$1,070 NZD
A$928 AUD
View
B+
Retailer 14
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$1,116 NZD
$629 USD
View
Retailer 15
-
$1,147 NZD
$646 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,340 NZD
A$1,162 AUD
View
B+
Retailer 17
-
$1,372 NZD
$773 USD
View
B+
Retailer 18
-
$1,769 NZD
$997 USD
View
B+
Retailer 19
-
$1,862 NZD
$1,049 USD
View
B+
Retailer 20
-
$1,865 NZD
A$1,617 AUD
View
B+
Retailer 21
-
$1,923 NZD
$1,084 USD
View
B+
Retailer 22
-
$2,217 NZD
£984 GBP
View
B
Retailer 23
-
$2,402 NZD
$1,354 USD
View
Most Expensive
Brilliant Earth
21103048A · Sep 26
$3,584 NZD
$2,020 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from $444 NZDSave up to $1,959 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
1.02ct Marquise
$444 NZD