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Marquise|Lab Grown|IGI

1.83ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG678516826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG678516826

Diamond specifications and retailer prices

From $450 NZD
$253 USD
As of November 2, 2026
Save $3,549 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,999 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown marquise diamond

This 1.83ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG678516826 or 678516826. Listed at 12 retailers as of November 2, 2026, with prices from $450 to $3,999, a $3,549 spread on the same certified stone. Do Amore Diamonds lists it at $3,999. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.83
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678516826
Dimensions12.70 × 6.28 × 4.04 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.70 mm6.28 mm1.83 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678516826
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.3%

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: Nov 2
Current: $3,999 NZD|Low: $450 NZD|High: $4,425 NZD|Avg: $1,992 NZD|-9.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10$450 NZD
Retailer 2$720 NZD
Retailer 12$931 NZD
Retailer 6$933 NZD
Retailer 5$1,433 NZD
Retailer 8$1,713 NZD
Retailer 11$1,980 NZD
Retailer 7$2,472 NZD
Retailer 9$2,648 NZD
Retailer 3$2,682 NZD
Retailer 4$2,835 NZD
Do Amore Diamonds$3,999 NZD

25 data points across 12 retailers

12 retailers$450 NZD to $3,999 NZD

A
Cheapest Retailer
-
$450 NZD
$253 USD
Retailer 2
-
$450 NZD
$253 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$720 NZD
£319 GBP
View
B+
Retailer 4
-
$931 NZD
$524 USD
View
B+
Retailer 5
-
$933 NZD
$525 USD
View
A
Retailer 6
-
$1,433 NZD
A$1,240 AUD
View
B+
Retailer 7
-
$1,713 NZD
$964 USD
View
Retailer 8
-
$1,980 NZD
$1,114 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$2,472 NZD
£1,095 GBP
View
Price last confirmed 9 days ago
B
Retailer 10
-
$2,648 NZD
$1,490 USD
View
B
Retailer 11
-
$2,682 NZD
$1,509 USD
View
Most Expensive
B
Do Amore Diamonds
27-A39C3646F · Nov 2
$3,999 NZD
$2,250 USD
View
11 more retailers have this diamond
Prices start from $450 NZDSave up to $3,549 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
1.83ct Marquise
$450 NZD