Marquise|Lab Grown|IGI

1.05ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG817653612

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817653612

Diamond specifications and retailer prices

From $231 USD
£182 GBP
As of October 27, 2026
Save $429 USD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,039 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817653612 or 817653612. Listed at 17 retailers as of October 27, 2026, with a 186% 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

1.05
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653612
Dimensions11.31 × 5.08 × 4.28 mm
L/W Ratio2.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm5.08 mm1.05 ctG / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817653612
Side View
Table 56.0%Crown 32.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $455 USD|Low: $169 USD|High: $1,100 USD|Avg: $514 USD|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 31, 2026
Retailer 11$169 USD
Retailer 7$231 USD
Retailer 3$255 USD
Retailer 6$324 USD
Retailer 8$326 USD
Retailer 10$344 USD
Retailer 5$357 USD
Retailer 1$455 USD
Retailer 2$530 USD
Retailer 4$640 USD
Retailer 12$660 USD
Retailer 9$880 USD
Reve Diamonds$1,039 USD

35 data points across 13 retailers

17 retailers$231 USD to $660 USD

Retailer 1
-
$171 USD
Price last confirmed 25 days ago
Retailer 2
-
$198 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$212 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$231 USD
£182 GBP
View
B+
Retailer 5
-
$255 USD
View
A
Retailer 6
-
$324 USD
€309 EUR
View
A
Retailer 7
-
$326 USD
£256 GBP
View
A
Retailer 8
-
$344 USD
View
A
Retailer 9
-
$357 USD
£281 GBP
View
Retailer 10
-
$368 USD
£290 GBP
View
Price last confirmed 17 days ago
B+
Retailer 11
-
$455 USD
View
B+
Retailer 12
-
$530 USD
View
B+
Retailer 13
-
$640 USD
View
B+
Retailer 14
-
$660 USD
View
Retailer 15
-
$680 USD
View
Price last confirmed 33 days ago
Retailer 16
-
$880 USD
£693 GBP
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
861B15CC6 · Oct 25
$1,039 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $231 USDSave up to $429 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
1.05ct Marquise
$231 USD