Marquise|Lab Grown|IGI

1.05ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG831680175

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831680175

Diamond specifications and retailer prices

From $193 USD
As of November 1, 2026
Save $553 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $746 USD at Friendly Diamonds · As of October 31, 2026
View at Friendly 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG831680175 or 831680175. Listed at 14 retailers as of October 31, 2026, with prices from $193 to $746, a $553 spread on the same certified stone. Friendly Diamonds lists it at $746. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831680175
Dimensions10.55 × 5.27 × 3.33 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
10.55 mm5.27 mm1.05 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831680175
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

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: $746 USD|Low: $193 USD|High: $798 USD|Avg: $477 USD
Friendly Diamonds
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 3$193 USD
Retailer 11$214 USD
Retailer 2$262 USD
Retailer 13$344 USD
Retailer 9$370 USD
Retailer 7$380 USD
Retailer 5$382 USD
Retailer 8$522 USD
Retailer 10$535 USD
Retailer 4$586 USD
Retailer 6$705 USD
Retailer 12$740 USD
Retailer 14$743 USD
Friendly Diamonds$746 USD

5 data points across 14 retailers

14 retailers$193 USD to $746 USD

A
Cheapest Retailer
-
$193 USD
Final sale: no returns
A
Retailer 2
-
$214 USD
View
A
Retailer 3
-
$262 USD
£206 GBP
View
A
Retailer 4
-
$344 USD
View
A
Retailer 5
-
$370 USD
ZAR 5,972 ZAR
View
A
Retailer 6
-
$380 USD
£299 GBP
View
A
Retailer 7
-
$382 USD
View
B+
Retailer 8
-
$522 USD
A$803 AUD
View
B+
Retailer 9
-
$535 USD
View
B+
Retailer 10
-
$586 USD
SGD 792 SGD
View
B
Retailer 11
-
$705 USD
View
B
Retailer 12
-
$740 USD
View
B
Retailer 13
-
$743 USD
View
Most Expensive
B
Friendly Diamonds
6585009 · Oct 31
$746 USD
View
13 more retailers have this diamond
Prices start from $193 USDSave up to $553 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
$193 USD