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Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG753503670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG753503670

Diamond specifications and retailer prices

From $520 NZD
$292 USD
As of October 28, 2026
Save $2,619 NZD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,139 NZD at Frank Darling · As of October 29, 2026
View at Frank Darling

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 LG753503670 or 753503670. Listed at 7 retailers as of October 28, 2026, with prices from $520 to $3,139, a $2,619 spread on the same certified stone. Frank Darling lists it at $3,139. 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 angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753503670
Dimensions6.48 × 6.48 × 13.41 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.48 mm6.48 mm1.85 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753503670
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.1%

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 28
Current: $3,139 NZD|Low: $372 NZD|High: $3,139 NZD|Avg: $1,524 NZD|-0.0%
Frank Darling
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 28, 2026
Retailer 2$520 NZD
Retailer 8$769 NZD
Retailer 15$801 NZD
Retailer 4$962 NZD
Retailer 14$1,036 NZD
Retailer 12$1,043 NZD
Retailer 13$1,309 NZD
Retailer 9$1,415 NZD
Retailer 7$1,484 NZD
Retailer 6$1,618 NZD
Retailer 3$1,960 NZD
Retailer 11$2,073 NZD
Retailer 10$2,404 NZD
Retailer 5$2,485 NZD
Frank Darling$3,139 NZD

18 data points across 15 retailers

7 retailers$520 NZD to $3,139 NZD

A
Cheapest Retailer
-
$520 NZD
$292 USD
Final sale: no returns
B+
Retailer 2
-
$769 NZD
$432 USD
View
B+
Retailer 3
-
$1,415 NZD
$795 USD
View
B+
Retailer 4
-
$1,484 NZD
A$1,283 AUD
View
Price last confirmed 120 days ago
B+
Retailer 5
-
$2,073 NZD
$1,164 USD
View
B
Retailer 6
-
$2,404 NZD
$1,350 USD
View
Most Expensive
B
Frank Darling
100757130669KD · Oct 29
$3,139 NZD
$1,763 USD
View
6 more retailers have this diamond
Prices start from $520 NZDSave up to $2,619 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
$520 NZD