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Marquise|Lab Grown|IGI

3.91ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG835610765

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835610765

Diamond specifications and retailer prices

From $950 AUD
HK$5,200 HKD
As of November 1, 2026
Save $3,945 AUD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,894 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.91ct lab-grown marquise diamond

This 3.91ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG835610765 or 835610765. Listed at 24 retailers as of October 31, 2026, with prices from $950 to $4,894, a $3,945 spread on the same certified stone. Brilliant Earth lists it at $4,894. 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

3.91
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610765
Dimensions16.07 × 8.32 × 5.15 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.07 mm8.32 mm3.91 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835610765
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.9%

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: Nov 1
Current: $4,894 AUD|Low: $676 AUD|High: $5,465 AUD|Avg: $2,085 AUD|-8.0%
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 15$713 AUD
Retailer 6$799 AUD
Retailer 8$799 AUD
Retailer 23$885 AUD
Retailer 2$950 AUD
Retailer 20$988 AUD
Retailer 18$1,084 AUD
Retailer 19$1,288 AUD
Retailer 5$1,340 AUD
Retailer 22$1,376 AUD
Retailer 21$1,464 AUD
Retailer 16$1,861 AUD
Retailer 11$1,904 AUD
Retailer 13$2,062 AUD
Retailer 7$2,095 AUD
Retailer 24$2,327 AUD
Retailer 12$2,804 AUD
Retailer 9$2,882 AUD
Retailer 4$3,070 AUD
Retailer 10$3,282 AUD
Retailer 3$3,699 AUD
Retailer 17$3,738 AUD
Retailer 14$3,867 AUD
Brilliant Earth$4,894 AUD

29 data points across 24 retailers

24 retailers$950 AUD to $4,894 AUD

Retailer 1
-
$713 AUD
$500 USD
Price last confirmed 10 days ago
Retailer 2
-
$799 AUD
$560 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$885 AUD
$620 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$950 AUD
HK$5,200 HKD
View
A
Retailer 5
-
$988 AUD
£545 GBP
View
Retailer 6
-
$1,084 AUD
$760 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$1,288 AUD
€860 EUR
View
A
Retailer 8
-
$1,340 AUD
$939 USD
View
B+
Retailer 9
-
$1,376 AUD
$964 USD
View
A
Retailer 10
-
$1,464 AUD
£808 GBP
View
Retailer 11
-
$1,861 AUD
View
Price last confirmed 13 days ago
Retailer 12
-
$1,904 AUD
ZAR 21,558 ZAR
View
Price last confirmed 9 days ago
A
Retailer 13
-
$2,062 AUD
$1,445 USD
View
B+
Retailer 14
-
$2,095 AUD
$1,468 USD
View
Retailer 15
-
$2,283 AUD
$1,600 USD
View
Price last confirmed 34 days ago
Retailer 16
-
$2,327 AUD
$1,631 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$2,804 AUD
SGD 2,656 SGD
View
B+
Retailer 18
-
$2,882 AUD
$2,020 USD
View
Retailer 19
-
$3,070 AUD
$2,151 USD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$3,282 AUD
$2,300 USD
View
Retailer 21
-
$3,699 AUD
£2,041 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
$3,738 AUD
$2,620 USD
View
B
Retailer 23
-
$3,867 AUD
$2,710 USD
View
Most Expensive
B
Brilliant Earth
21547323A · Oct 31
$4,894 AUD
$3,430 USD
View
23 more retailers have this diamond
Prices start from $950 AUDSave up to $3,945 AUD

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
3.91ct Marquise
$950 AUD