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Marquise|Lab Grown|IGI

3.99ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG818694805

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818694805

Diamond specifications and retailer prices

From $693 AUD
$486 USD
As of November 2, 2026
Save $3,730 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,423 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.99ct lab-grown marquise diamond

This 3.99ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818694805 or 818694805. Listed at 17 retailers as of October 28, 2026, with prices from $693 to $4,423, a $3,730 spread on the same certified stone. Rare Carat lists it at $4,423. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.99
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818694805
Dimensions15.55 × 8.29 × 5.35 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.55 mm8.29 mm3.99 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818694805
Side View
Table 66.0%Crown 36.3°Girdle: STK-THKPavilion 42.7°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
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 2
Current: $2,310 AUD|Low: $641 AUD|High: $3,588 AUD|Avg: $1,815 AUD|+11.0%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 10$693 AUD
Retailer 13$776 AUD
Retailer 3$859 AUD
Retailer 6$1,027 AUD
Retailer 8$1,304 AUD
Retailer 2$1,340 AUD
Retailer 7$1,374 AUD
Retailer 12$1,428 AUD
Retailer 5$1,747 AUD
Retailer 9$1,866 AUD
Retailer 4$2,260 AUD
Retailer 1$2,310 AUD
Retailer 11$2,329 AUD
Retailer 15$2,803 AUD
Retailer 14$3,216 AUD
Retailer 16$3,588 AUD

44 data points across 16 retailers

17 retailers$693 AUD to $4,423 AUD

A
Cheapest Retailer
-
$693 AUD
$486 USD
A
Retailer 2
-
$776 AUD
$544 USD
View
A
Retailer 3
-
$859 AUD
$602 USD
View
A
Retailer 4
-
$1,027 AUD
$720 USD
View
A
Retailer 5
-
$1,304 AUD
$914 USD
View
B+
Retailer 6
-
$1,340 AUD
$939 USD
View
Retailer 7
-
$1,374 AUD
€917 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,428 AUD
£788 GBP
View
A
Retailer 9
-
$1,747 AUD
View
A
Retailer 10
-
$1,866 AUD
ZAR 21,124 ZAR
View
B+
Retailer 11
-
$2,260 AUD
$1,584 USD
View
B+
Retailer 12
-
$2,310 AUD
$1,619 USD
View
B+
Retailer 13
-
$2,329 AUD
$1,632 USD
View
B+
Retailer 14
-
$2,803 AUD
$1,964 USD
View
B+
Retailer 15
-
$3,216 AUD
$2,254 USD
View
B
Retailer 16
-
$3,588 AUD
£1,980 GBP
View
Most Expensive
B
Rare Carat
A7417-4-17_l_818694805 · Oct 28
$4,423 AUD
$3,100 USD
View
16 more retailers have this diamond
Prices start from $693 AUDSave up to $3,730 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
3.99ct Marquise
$693 AUD