Marquise|Lab Grown|IGI

1.02ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG831617383

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831617383

Diamond specifications and retailer prices

From €230 EUR
£202 GBP
As of October 26, 2026
Save €1,089 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,319 EUR at Queensmith · As of October 25, 2026
View at Queensmith

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831617383 or 831617383. Listed at 18 retailers as of October 25, 2026, with prices from €230 to €1,319, a €1,089 spread on the same certified stone. Queensmith lists it at €1,319. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831617383
Dimensions11.42 × 5.16 × 3.11 mm
L/W Ratio2.21
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm5.16 mm1.02 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831617383
Side View
Table 55.0%Crown 33.2°Girdle: THN-MEDPavilion 38°Culet: NoneDepth 60.3%

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 26
Current: €1,319 EUR|Low: €148 EUR|High: €33,555 EUR|Avg: €973 EUR
Queensmith
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
Retailer 18
October 26, 2026
Retailer 3€148 EUR
Retailer 17€171 EUR
Retailer 12€230 EUR
Retailer 8€299 EUR
Retailer 14€307 EUR
Retailer 15€309 EUR
Retailer 11€314 EUR
Retailer 2€329 EUR
Retailer 5€357 EUR
Retailer 13€393 EUR
Retailer 6€400 EUR
Retailer 18€588 EUR
Retailer 4€621 EUR
Retailer 9€638 EUR
Retailer 7€653 EUR
Retailer 16€861 EUR
Retailer 10€968 EUR
Queensmith€1,319 EUR

21 data points across 18 retailers

18 retailers€230 EUR to €1,319 EUR

Retailer 1
-
€148 EUR
$165 USD
Price last confirmed 8 days ago
Retailer 2
-
€171 EUR
$191 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€230 EUR
£202 GBP
View
A
Retailer 4
-
€299 EUR
$334 USD
View
A
Retailer 5
-
€307 EUR
View
Retailer 6
-
€309 EUR
ZAR 5,586 ZAR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€314 EUR
£276 GBP
View
B+
Retailer 8
-
€329 EUR
$368 USD
View
Retailer 9
-
€357 EUR
$399 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€393 EUR
£346 GBP
View
B+
Retailer 11
-
€400 EUR
$447 USD
View
B
Retailer 12
-
€588 EUR
$657 USD
View
B
Retailer 13
-
€621 EUR
$694 USD
View
B
Retailer 14
-
€638 EUR
$712 USD
View
B
Retailer 15
-
€653 EUR
$730 USD
View
Retailer 16
-
€861 EUR
£757 GBP
View
Price last confirmed 11 days ago
Retailer 17
-
€968 EUR
$1,082 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Queensmith
LG831617383 · Oct 25
€1,319 EUR
£1,160 GBP
View
17 more retailers have this diamond
Prices start from €230 EURSave up to €1,089 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
1.02ct Marquise
€230 EUR