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Marquise|Lab Grown|IGI

1.60ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG818663631

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818663631

Diamond specifications and retailer prices

From €278 EUR
$312 USD
As of November 1, 2026
Save €1,011 EUR (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,961 EUR at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown marquise diamond

This 1.6ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818663631 or 818663631. Listed at 21 retailers as of November 1, 2026, with a 364% 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

1.60
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663631
Dimensions11.83 × 6.08 × 3.96 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm6.08 mm1.60 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663631
Side View
Table 61.0%Crown 33.6°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 65.1%

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: Nov 1
Current: €540 EUR|Low: €278 EUR|High: €1,290 EUR|Avg: €681 EUR|+2.3%
Retailer 1
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 5€278 EUR
Retailer 14€330 EUR
Retailer 11€415 EUR
Retailer 9€459 EUR
Retailer 13€486 EUR
Retailer 7€532 EUR
Retailer 1€540 EUR
Retailer 4€641 EUR
Retailer 2€653 EUR
Retailer 12€718 EUR
Retailer 10€742 EUR
Retailer 3€1,188 EUR
Retailer 8€1,238 EUR
Retailer 6€1,290 EUR

43 data points across 14 retailers

21 retailers€278 EUR to €1,290 EUR

Retailer 1
-
€249 EUR
$279 USD
Price last confirmed 25 days ago
A
Retailer 2
-
€278 EUR
$312 USD
View
Final sale: no returns
Retailer 3
-
€289 EUR
$324 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€308 EUR
$346 USD
View
Price last confirmed 30 days ago
Retailer 5
-
€308 EUR
$346 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
€415 EUR
$465 USD
View
A
Retailer 7
-
€459 EUR
$515 USD
View
A
Retailer 8
-
€486 EUR
View
A
Retailer 9
-
€532 EUR
ZAR 9,644 ZAR
View
A
Retailer 10
-
€540 EUR
£477 GBP
View
A
Retailer 11
-
€641 EUR
$719 USD
View
Retailer 12
-
€653 EUR
$732 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€718 EUR
A$1,239 AUD
View
B+
Retailer 14
-
€742 EUR
$832 USD
View
Retailer 15
-
€992 EUR
$1,113 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
€1,037 EUR
$1,164 USD
View
B
Retailer 17
-
€1,188 EUR
$1,332 USD
View
B
Retailer 18
-
€1,238 EUR
£1,093 GBP
View
B
Retailer 19
-
€1,286 EUR
$1,442 USD
View
B
Retailer 20
-
€1,290 EUR
$1,446 USD
View
Most Expensive
Brilliant Earth
21035738A · Sep 28
€1,961 EUR
$2,200 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from €278 EURSave up to €1,011 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
1.60ct Marquise
€278 EUR