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Marquise|Lab Grown|IGI

4.00ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG816661878

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816661878

Diamond specifications and retailer prices

From $1,290 AUD
$904 USD
As of November 1, 2026
Save $2,998 AUD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,288 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4ct lab-grown marquise diamond

This 4ct 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 LG816661878 or 816661878. Listed at 7 retailers as of October 28, 2026, with prices from $1,290 to $4,288, a $2,998 spread on the same certified stone. Rare Carat lists it at $4,288. 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

4.00
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816661878
Dimensions16.04 × 8.39 × 5.20 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.04 mm8.39 mm4.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816661878
Side View
Table 59.0%Crown 32.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.0%

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: $1,353 AUD|Low: $1,286 AUD|High: $3,150 AUD|Avg: $1,989 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6$1,290 AUD
Retailer 1$1,353 AUD
Retailer 4$1,410 AUD
Retailer 5$2,080 AUD
Retailer 3$2,692 AUD
Retailer 2$3,026 AUD

41 data points across 6 retailers

7 retailers$1,290 AUD to $4,288 AUD

B+
Cheapest Retailer
-
$1,290 AUD
$904 USD
A
Retailer 2
-
$1,353 AUD
£746 GBP
View
A
Retailer 3
-
$1,410 AUD
$988 USD
View
A
Retailer 4
-
$2,080 AUD
$1,458 USD
View
B+
Retailer 5
-
$2,692 AUD
$1,887 USD
View
B+
Retailer 6
-
$3,026 AUD
£1,670 GBP
View
Most Expensive
B
Rare Carat
700036_l_816661878 · Oct 28
$4,288 AUD
$3,005 USD
View
6 more retailers have this diamond
Prices start from $1,290 AUDSave up to $2,998 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
4.00ct Marquise
$1,290 AUD