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Marquise|Lab Grown|IGI

1.71ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG806630081

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630081

Diamond specifications and retailer prices

From $978 NZD
$549 USD
As of October 29, 2026
Save $7,057 NZD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,035 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct 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 LG806630081 or 806630081. Listed at 17 retailers as of October 28, 2026, with prices from $978 to $8,035, a $7,057 spread on the same certified stone. Brilliant Earth lists it at $8,035. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630081
Dimensions12.75 × 6.21 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm6.21 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630081
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.9%

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 29
Current: $1,884 NZD|Low: $978 NZD|High: $4,767 NZD|Avg: $2,547 NZD|+13.5%
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
October 29, 2026
Retailer 9$978 NZD
Retailer 8$1,327 NZD
Retailer 14$1,461 NZD
Retailer 4$1,657 NZD
Retailer 3$1,809 NZD
Retailer 12$1,870 NZD
Retailer 1$1,884 NZD
Retailer 15$2,380 NZD
Retailer 7$2,593 NZD
Retailer 5$2,941 NZD
Retailer 10$3,429 NZD
Retailer 2$3,547 NZD
Retailer 13$3,563 NZD
Retailer 11$3,795 NZD
Retailer 6$4,616 NZD

20 data points across 15 retailers

17 retailers$978 NZD to $8,035 NZD

A
Cheapest Retailer
-
$978 NZD
$549 USD
Final sale: no returns
A
Retailer 2
-
$1,327 NZD
$745 USD
View
A
Retailer 3
-
$1,461 NZD
$820 USD
View
A
Retailer 4
-
$1,657 NZD
$930 USD
View
A
Retailer 5
-
$1,809 NZD
£799 GBP
View
A
Retailer 6
-
$1,870 NZD
ZAR 16,959 ZAR
View
A
Retailer 7
-
$1,884 NZD
€1,007 EUR
View
A
Retailer 8
-
$2,380 NZD
$1,336 USD
View
A
Retailer 9
-
$2,593 NZD
A$2,239 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$2,941 NZD
$1,651 USD
View
B+
Retailer 11
-
$3,429 NZD
SGD 2,601 SGD
View
B+
Retailer 12
-
$3,547 NZD
$1,991 USD
View
B+
Retailer 13
-
$3,563 NZD
$2,000 USD
View
B+
Retailer 14
-
$3,795 NZD
$2,130 USD
View
B+
Retailer 15
-
$4,616 NZD
£2,040 GBP
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$5,108 NZD
A$4,411 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
20219477A · Oct 28
$8,035 NZD
$4,510 USD
View
16 more retailers have this diamond
Prices start from $978 NZDSave up to $7,057 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
1.71ct Marquise
$978 NZD