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Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG799606499

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799606499

Diamond specifications and retailer prices

From $656 NZD
$370 USD
As of November 2, 2026
Save $2,679 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,336 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.97ct lab-grown marquise diamond

This 1.97ct 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 LG799606499 or 799606499. Listed at 14 retailers as of October 31, 2026, with prices from $656 to $3,336, a $2,679 spread on the same certified stone. Brilliant Earth lists it at $3,336. 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

1.97
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799606499
Dimensions13.45 × 6.57 × 3.93 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.45 mm6.57 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799606499
Side View
Table 63.0%Crown 33.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,336 NZD|Low: $630 NZD|High: $6,441 NZD|Avg: $1,661 NZD|-30.1%
Brilliant Earth
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
November 2, 2026
Retailer 11$656 NZD
Retailer 3$761 NZD
Retailer 4$814 NZD
Retailer 12$814 NZD
Retailer 9$911 NZD
Retailer 8$1,082 NZD
Retailer 6$1,295 NZD
Retailer 14$1,301 NZD
Retailer 2$1,458 NZD
Retailer 5$1,487 NZD
Retailer 10$2,388 NZD
Retailer 13$2,617 NZD
Retailer 7$3,182 NZD
Brilliant Earth$3,336 NZD

43 data points across 14 retailers

14 retailers$656 NZD to $3,336 NZD

A
Cheapest Retailer
-
$656 NZD
$370 USD
A
Retailer 2
-
$761 NZD
$429 USD
View
Retailer 3
-
$814 NZD
$459 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$814 NZD
$459 USD
View
Retailer 5
-
$911 NZD
£404 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,082 NZD
$610 USD
View
B+
Retailer 7
-
$1,295 NZD
$730 USD
View
B+
Retailer 8
-
$1,301 NZD
$733 USD
View
B+
Retailer 9
-
$1,458 NZD
£647 GBP
View
B+
Retailer 10
-
$1,487 NZD
$838 USD
View
B
Retailer 11
-
$2,388 NZD
$1,346 USD
View
B
Retailer 12
-
$2,617 NZD
$1,475 USD
View
B
Retailer 13
-
$3,182 NZD
£1,412 GBP
View
Most Expensive
B
Brilliant Earth
21067453A · Oct 31
$3,336 NZD
$1,880 USD
View
13 more retailers have this diamond
Prices start from $656 NZDSave up to $2,679 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
1.97ct Marquise
$656 NZD