CaratHunter
Plans
Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG797658833

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797658833

Diamond specifications and retailer prices

From €279 EUR
$311 USD
As of October 30, 2026
Save €971 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,590 EUR at Rare Carat · As of October 4, 2026
View at Rare Carat

About this 1.73ct lab-grown marquise diamond

This 1.73ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797658833 or 797658833. Listed at 15 retailers as of October 29, 2026, with a 348% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797658833
Dimensions12.87 × 6.18 × 3.79 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm6.18 mm1.73 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797658833
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.3%

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: €1,590 EUR|Low: €279 EUR|High: €1,590 EUR|Avg: €774 EUR|+4.9%
Rare Carat
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
October 30, 2026
Retailer 15€279 EUR
Retailer 2€329 EUR
Retailer 12€454 EUR
Retailer 3€513 EUR
Retailer 11€534 EUR
Retailer 8€547 EUR
Retailer 7€573 EUR
Retailer 4€621 EUR
Retailer 5€713 EUR
Retailer 10€722 EUR
Retailer 13€954 EUR
Retailer 6€1,044 EUR
Retailer 14€1,194 EUR
Retailer 9€1,251 EUR
Rare Carat€1,590 EUR

41 data points across 15 retailers

15 retailers€279 EUR to €1,251 EUR

A
Cheapest Retailer
-
€279 EUR
$311 USD
Final sale: no returns
Retailer 2
-
€306 EUR
$341 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
€329 EUR
£289 GBP
View
A
Retailer 4
-
€454 EUR
$505 USD
View
A
Retailer 5
-
€513 EUR
$571 USD
View
A
Retailer 6
-
€534 EUR
ZAR 9,594 ZAR
View
A
Retailer 7
-
€547 EUR
£480 GBP
View
A
Retailer 8
-
€621 EUR
$691 USD
View
A
Retailer 9
-
€713 EUR
$794 USD
View
A
Retailer 10
-
€722 EUR
A$1,236 AUD
View
B+
Retailer 11
-
€954 EUR
$1,062 USD
View
B+
Retailer 12
-
€1,044 EUR
$1,162 USD
View
B+
Retailer 13
-
€1,194 EUR
$1,329 USD
View
B+
Retailer 14
-
€1,251 EUR
£1,096 GBP
View
Most Expensive
Rare Carat
ITU-ITUS-J1008 · Oct 4
€1,590 EUR
$1,770 USD
View
Price last confirmed 25 days ago
14 more retailers have this diamond
Prices start from €279 EURSave up to €971 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
1.73ct Marquise
€279 EUR