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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 $361 AUD
$253 USD
As of November 2, 2026
Save $2,850 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,211 AUD 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 $361 to $3,211, a $2,850 spread on the same certified stone. Do Amore Diamonds lists it at $3,211. 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: $3,211 AUD|Low: $361 AUD|High: $3,553 AUD|Avg: $1,599 AUD|-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$361 AUD
Retailer 2$578 AUD
Retailer 12$748 AUD
Retailer 6$749 AUD
Retailer 5$1,150 AUD
Retailer 8$1,376 AUD
Retailer 11$1,590 AUD
Retailer 7$1,984 AUD
Retailer 9$2,126 AUD
Retailer 3$2,153 AUD
Retailer 4$2,276 AUD
Do Amore Diamonds$3,211 AUD

25 data points across 12 retailers

12 retailers$361 AUD to $3,211 AUD

A
Cheapest Retailer
-
$361 AUD
$253 USD
Retailer 2
-
$361 AUD
$253 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$578 AUD
£319 GBP
View
B+
Retailer 4
-
$748 AUD
$524 USD
View
B+
Retailer 5
-
$749 AUD
$525 USD
View
A
Retailer 6
-
$1,150 AUD
View
B+
Retailer 7
-
$1,376 AUD
$964 USD
View
Retailer 8
-
$1,590 AUD
$1,114 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$1,984 AUD
£1,095 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
$2,126 AUD
$1,490 USD
View
B
Retailer 11
-
$2,153 AUD
$1,509 USD
View
Most Expensive
B
Do Amore Diamonds
27-A39C3646F · Nov 2
$3,211 AUD
$2,250 USD
View
11 more retailers have this diamond
Prices start from $361 AUDSave up to $2,850 AUD

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
$361 AUD