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Marquise|Lab Grown|IGI

1.99ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG852634649

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG852634649

Diamond specifications and retailer prices

From $487 NZD
As of November 6, 2026
Save $2,892 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,380 NZD at Brilliant Earth · As of November 5, 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 top-tier cut grade and certified by IGI LG852634649 or 852634649. Listed at 13 retailers as of November 5, 2026, with prices from $487 to $3,380, a $2,892 spread on the same certified stone. Brilliant Earth lists it at $3,380. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.99
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852634649
Dimensions13.08 × 6.49 × 4.07 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.08 mm6.49 mm1.99 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852634649
Side View
Table 61.0%Crown 39°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.7%

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 6
Current: $953 NZD|Low: $487 NZD|High: $2,419 NZD|Avg: $1,123 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$487 NZD
Retailer 12$546 NZD
Retailer 7$566 NZD
Retailer 8$669 NZD
Retailer 11$683 NZD
Retailer 10$889 NZD
Retailer 1$953 NZD
Retailer 4$1,000 NZD
Retailer 9$1,053 NZD
Retailer 2$1,943 NZD
Retailer 5$1,946 NZD
Retailer 3$2,419 NZD

3 data points across 12 retailers

13 retailers$487 NZD to $3,380 NZD

Cheapest Retailer
-
$487 NZD
A
Retailer 2
-
$546 NZD
View
Final sale: no returns
A
Retailer 3
-
$566 NZD
View
A
Retailer 4
-
$669 NZD
View
A
Retailer 5
-
$683 NZD
View
A
Retailer 6
-
$889 NZD
View
Retailer 7
-
$953 NZD
View
B+
Retailer 8
-
$1,000 NZD
View
A
Retailer 9
-
$1,053 NZD
View
B+
Retailer 10
-
$1,943 NZD
View
Retailer 11
-
$1,946 NZD
View
B
Retailer 12
-
$2,419 NZD
View
Most Expensive
B
Brilliant Earth
22517845A · Nov 5
$3,380 NZD
$1,900 USD
View
12 more retailers have this diamond
Prices start from $487 NZDSave up to $2,892 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
1.99ct Marquise
$487 NZD