CaratHunter
Plans
Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG800664953

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800664953

Diamond specifications and retailer prices

From €331 EUR
$370 USD
As of October 30, 2026
Save €2,077 EUR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,408 EUR 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 LG800664953 or 800664953. Listed at 17 retailers as of October 30, 2026, with prices from €331 to €2,408, a €2,077 spread on the same certified stone. Brilliant Earth lists it at €2,408. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800664953
Dimensions13.56 × 6.78 × 3.85 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.56 mm6.78 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800664953
Side View
Table 66.0%Crown 32.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 56.8%

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: Oct 30
Current: €2,408 EUR|Low: €318 EUR|High: €3,043 EUR|Avg: €889 EUR
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 15€331 EUR
Retailer 16€371 EUR
Retailer 5€384 EUR
Retailer 6€411 EUR
Retailer 17€411 EUR
Retailer 12€460 EUR
Retailer 11€546 EUR
Retailer 8€653 EUR
Retailer 4€656 EUR
Retailer 10€742 EUR
Retailer 7€750 EUR
Retailer 13€1,205 EUR
Retailer 3€1,320 EUR
Retailer 9€1,356 EUR
Retailer 14€1,554 EUR
Retailer 2€1,605 EUR
Brilliant Earth€2,408 EUR

43 data points across 17 retailers

17 retailers€331 EUR to €2,408 EUR

A
Cheapest Retailer
-
€331 EUR
$370 USD
A
Retailer 2
-
€371 EUR
$414 USD
View
Final sale: no returns
A
Retailer 3
-
€384 EUR
$429 USD
View
Retailer 4
-
€411 EUR
$459 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€411 EUR
$459 USD
View
Retailer 6
-
€460 EUR
£404 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€546 EUR
$610 USD
View
B+
Retailer 8
-
€653 EUR
$730 USD
View
B+
Retailer 9
-
€656 EUR
$733 USD
View
B+
Retailer 10
-
€742 EUR
£652 GBP
View
B+
Retailer 11
-
€750 EUR
$838 USD
View
B
Retailer 12
-
€1,205 EUR
$1,346 USD
View
B
Retailer 13
-
€1,320 EUR
$1,475 USD
View
B
Retailer 14
-
€1,356 EUR
$1,514 USD
View
B
Retailer 15
-
€1,554 EUR
$1,736 USD
View
B
Retailer 16
-
€1,605 EUR
£1,412 GBP
View
Most Expensive
B
Brilliant Earth
21067235A · Oct 31
€2,408 EUR
$2,690 USD
View
16 more retailers have this diamond
Prices start from €331 EURSave up to €2,077 EUR

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
€331 EUR