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Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG821658092

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821658092

Diamond specifications and retailer prices

From $513 NZD
$288 USD
As of October 23, 2026
Save $3,102 NZD (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,614 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821658092 or 821658092. Listed at 26 retailers as of October 23, 2026, with prices from $513 to $3,614, a $3,102 spread on the same certified stone. Brilliant Earth lists it at $3,614. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821658092
Dimensions12.31 × 6.59 × 4.14 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm6.59 mm1.85 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821658092
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.8%

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 23
Current: $3,614 NZD|Low: $502 NZD|High: $4,113 NZD|Avg: $1,551 NZD|-12.1%
Brilliant Earth
Retailer 2
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Retailer 25
October 30, 2026
Retailer 5$513 NZD
Retailer 18$573 NZD
Retailer 25$595 NZD
Retailer 6$636 NZD
Retailer 24$707 NZD
Retailer 19$745 NZD
Retailer 3$917 NZD
Retailer 13$996 NZD
Retailer 8$1,043 NZD
Retailer 23$1,074 NZD
Retailer 20$1,116 NZD
Retailer 10$1,123 NZD
Retailer 12$1,325 NZD
Retailer 22$1,492 NZD
Retailer 7$1,631 NZD
Retailer 15$2,040 NZD
Retailer 4$2,042 NZD
Retailer 2$2,126 NZD
Retailer 17$2,129 NZD
Retailer 14$2,443 NZD
Retailer 16$2,469 NZD
Retailer 21$2,548 NZD
Retailer 11$2,624 NZD
Retailer 9$2,655 NZD
Brilliant Earth$3,614 NZD

26 data points across 25 retailers

26 retailers$513 NZD to $3,614 NZD

A
Cheapest Retailer
-
$513 NZD
$288 USD
A
Retailer 2
-
$573 NZD
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$595 NZD
$334 USD
View
A
Retailer 4
-
$636 NZD
$357 USD
View
A
Retailer 5
-
$707 NZD
HK$3,100 HKD
View
A
Retailer 6
-
$745 NZD
£329 GBP
View
A
Retailer 7
-
$917 NZD
$515 USD
View
A
Retailer 8
-
$996 NZD
€533 EUR
View
A
Retailer 9
-
$1,043 NZD
$586 USD
View
A
Retailer 10
-
$1,074 NZD
ZAR 9,748 ZAR
View
A
Retailer 11
-
$1,116 NZD
£494 GBP
View
A
Retailer 12
-
$1,123 NZD
$631 USD
View
A
Retailer 13
-
$1,178 NZD
A$1,018 AUD
View
A
Retailer 14
-
$1,325 NZD
$744 USD
View
B+
Retailer 15
-
$1,492 NZD
A$1,289 AUD
View
B+
Retailer 16
-
$1,631 NZD
$916 USD
View
B+
Retailer 17
-
$2,040 NZD
SGD 1,548 SGD
View
B+
Retailer 18
-
$2,042 NZD
$1,147 USD
View
B+
Retailer 19
-
$2,126 NZD
A$1,837 AUD
View
B+
Retailer 20
-
$2,129 NZD
$1,196 USD
View
B
Retailer 21
-
$2,443 NZD
$1,372 USD
View
Retailer 22
-
$2,469 NZD
£1,092 GBP
View
Price last confirmed 14 days ago
B
Retailer 23
-
$2,548 NZD
£1,127 GBP
View
B
Retailer 24
-
$2,624 NZD
$1,474 USD
View
B
Retailer 25
-
$2,655 NZD
$1,491 USD
View
Most Expensive
B
Brilliant Earth
20782702A · Oct 29
$3,614 NZD
$2,030 USD
View
25 more retailers have this diamond
Prices start from $513 NZDSave up to $3,102 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
1.85ct Marquise
$513 NZD