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Marquise|Lab Grown|IGI

1.65ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG820604760

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG820604760

Diamond specifications and retailer prices

From $877 NZD
$494 USD
As of October 29, 2026
Save $3,241 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,592 NZD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG820604760 or 820604760. Listed at 15 retailers as of October 29, 2026, with a 370% 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

1.65
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820604760
Dimensions12.55 × 6.04 × 3.65 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.04 mm1.65 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820604760
Side View
Table 62.0%Crown 39.7°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 60.4%

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 29
Current: $2,610 NZD|Low: $877 NZD|High: $4,230 NZD|Avg: $2,364 NZD|+3.6%
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
October 31, 2026
Retailer 2$877 NZD
Retailer 14$1,224 NZD
Retailer 7$1,524 NZD
Retailer 8$1,605 NZD
Retailer 5$1,679 NZD
Retailer 13$1,695 NZD
Retailer 11$2,198 NZD
Retailer 10$2,262 NZD
Retailer 1$2,610 NZD
Retailer 9$3,158 NZD
Retailer 12$3,181 NZD
Retailer 3$3,587 NZD
Retailer 6$3,799 NZD
Retailer 4$4,118 NZD

22 data points across 14 retailers

15 retailers$877 NZD to $4,118 NZD

A
Cheapest Retailer
-
$877 NZD
$494 USD
Final sale: no returns
A
Retailer 2
-
$1,224 NZD
$690 USD
View
A
Retailer 3
-
$1,524 NZD
$859 USD
View
A
Retailer 4
-
$1,605 NZD
£712 GBP
View
A
Retailer 5
-
$1,679 NZD
ZAR 15,283 ZAR
View
A
Retailer 6
-
$1,695 NZD
€910 EUR
View
A
Retailer 7
-
$2,198 NZD
$1,239 USD
View
A
Retailer 8
-
$2,262 NZD
A$1,961 AUD
View
A
Retailer 9
-
$2,610 NZD
$1,471 USD
View
A
Retailer 10
-
$3,158 NZD
$1,780 USD
View
A
Retailer 11
-
$3,181 NZD
$1,793 USD
View
B+
Retailer 12
-
$3,587 NZD
£1,592 GBP
View
B+
Retailer 13
-
$3,799 NZD
$2,141 USD
View
B+
Retailer 14
-
$4,118 NZD
SGD 3,136 SGD
View
Most Expensive
Novita Diamonds
cert_820604760 · Oct 8
$4,592 NZD
A$3,982 AUD
View
Price last confirmed 23 days ago
14 more retailers have this diamond
Prices start from $877 NZDSave up to $3,241 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
1.65ct Marquise
$877 NZD