Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG848655140

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848655140

Diamond specifications and retailer prices

From $596 USD
£469 GBP
As of November 1, 2026
Save $1,284 USD (68%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,880 USD 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 very-good cut grade and certified by IGI LG848655140 or 848655140. Listed at 2 retailers as of October 31, 2026, with prices from $596 to $1,880, a $1,284 spread on the same certified stone. Brilliant Earth lists it at $1,880. 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

1.97
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848655140
Dimensions13.49 × 6.44 × 4.06 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.49 mm6.44 mm1.97 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848655140
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,880 USD|Low: $592 USD|High: $2,680 USD|Avg: $1,477 USD|-29.9%
Brilliant Earth
Retailer 2
November 1, 2026
Retailer 2$596 USD
Brilliant Earth$1,880 USD

5 data points across 2 retailers

2 retailers$596 USD to $1,880 USD

A
Cheapest Retailer
-
$596 USD
£469 GBP
Most Expensive
B
Brilliant Earth
22321729A · Oct 31
$1,880 USD
View
1 more retailer has this diamond
Prices start from $596 USDSave up to $1,284 USD

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
$596 USD