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Marquise|Lab Grown|IGI

1.99ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG849637359

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849637359

Diamond specifications and retailer prices

From $528 AUD
HK$2,900 HKD
As of November 1, 2026
Save $3,330 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,858 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.99ct lab-grown marquise diamond

This 1.99ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG849637359 or 849637359. Listed at 4 retailers as of October 31, 2026, with prices from $528 to $3,858, a $3,330 spread on the same certified stone. Brilliant Earth lists it at $3,858. 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

1.99
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849637359
Dimensions12.52 × 6.52 × 4.20 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.52 mm6.52 mm1.99 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849637359
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°CuletDepth 64.4%

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 1
Current: $3,858 AUD|Low: $427 AUD|High: $3,858 AUD|Avg: $977 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$427 AUD
Retailer 2$528 AUD
Retailer 3$698 AUD
Retailer 5$903 AUD
Brilliant Earth$3,858 AUD

3 data points across 5 retailers

4 retailers$528 AUD to $3,858 AUD

A
Cheapest Retailer
-
$528 AUD
HK$2,900 HKD
Retailer 2
-
$698 AUD
$490 USD
View
Price last confirmed 5 days ago
B+
Retailer 3
-
$903 AUD
£499 GBP
View
Most Expensive
C
Brilliant Earth
22383919A · Oct 31
$3,858 AUD
$2,710 USD
View
3 more retailers have this diamond
Prices start from $528 AUDSave up to $3,330 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
1.99ct Marquise
$528 AUD