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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817610778

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817610778

Diamond specifications and retailer prices

From $1,134 NZD
$638 USD
As of November 1, 2026
Save $5,353 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,487 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817610778 or 817610778. Listed at 19 retailers as of November 1, 2026, with prices from $1,134 to $6,487, a $5,353 spread on the same certified stone. Brilliant Earth lists it at $6,487. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610778
Dimensions11.81 × 6.07 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm6.07 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610778
Side View
Table 58.0%Crown 38.8°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 61.6%

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: Nov 1
Current: $6,487 NZD|Low: $1,134 NZD|High: $6,700 NZD|Avg: $2,900 NZD|-3.2%
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 2, 2026
Retailer 15$1,134 NZD
Retailer 5$1,137 NZD
Retailer 17$1,493 NZD
Retailer 16$1,692 NZD
Retailer 18$1,781 NZD
Retailer 9$1,848 NZD
Retailer 14$1,970 NZD
Retailer 12$2,175 NZD
Retailer 8$2,186 NZD
Retailer 6$2,950 NZD
Retailer 2$3,117 NZD
Retailer 11$3,711 NZD
Retailer 7$3,853 NZD
Retailer 13$3,969 NZD
Retailer 3$4,087 NZD
Retailer 19$4,166 NZD
Retailer 10$5,553 NZD
Retailer 4$6,417 NZD
Brilliant Earth$6,487 NZD

18 data points across 19 retailers

19 retailers$1,134 NZD to $6,487 NZD

A
Cheapest Retailer
-
$1,134 NZD
$638 USD
A
Retailer 2
-
$1,137 NZD
$640 USD
View
Final sale: no returns
A
Retailer 3
-
$1,493 NZD
$840 USD
View
A
Retailer 4
-
$1,692 NZD
$952 USD
View
A
Retailer 5
-
$1,781 NZD
$1,002 USD
View
A
Retailer 6
-
$1,848 NZD
€990 EUR
View
A
Retailer 7
-
$1,970 NZD
£873 GBP
View
A
Retailer 8
-
$2,175 NZD
$1,224 USD
View
A
Retailer 9
-
$2,186 NZD
ZAR 19,873 ZAR
View
A
Retailer 10
-
$2,950 NZD
A$2,554 AUD
View
B+
Retailer 11
-
$3,117 NZD
$1,754 USD
View
B+
Retailer 12
-
$3,711 NZD
£1,644 GBP
View
B+
Retailer 13
-
$3,853 NZD
$2,168 USD
View
B+
Retailer 14
-
$3,969 NZD
SGD 3,018 SGD
View
B+
Retailer 15
-
$4,087 NZD
$2,299 USD
View
B+
Retailer 16
-
$4,166 NZD
$2,344 USD
View
B+
Retailer 17
-
$5,553 NZD
£2,460 GBP
View
B
Retailer 18
-
$6,417 NZD
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
20772153A · Nov 2
$6,487 NZD
$3,650 USD
View
18 more retailers have this diamond
Prices start from $1,134 NZDSave up to $5,353 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
1.61ct Marquise
$1,134 NZD