Marquise|Lab Grown|IGI

3.92ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG831649018

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831649018

Diamond specifications and retailer prices

From $1,734 NZD
£768 GBP
As of October 27, 2026
Save $6,602 NZD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,336 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.92ct lab-grown marquise diamond

This 3.92ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831649018 or 831649018. Listed at 23 retailers as of October 27, 2026, with prices from $1,734 to $8,336, a $6,602 spread on the same certified stone. Brilliant Earth lists it at $8,336. 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

3.92
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831649018
Dimensions16.44 × 8.44 × 4.98 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.44 mm8.44 mm3.92 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831649018
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 59.0%

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: $8,336 NZD|Low: $1,516 NZD|High: $13,916 NZD|Avg: $4,465 NZD|-40.1%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 9$1,516 NZD
Retailer 18$1,734 NZD
Retailer 15$1,797 NZD
Retailer 16$1,893 NZD
Retailer 17$2,381 NZD
Retailer 19$2,391 NZD
Retailer 6$2,538 NZD
Retailer 2$3,380 NZD
Retailer 4$3,543 NZD
Retailer 3$3,612 NZD
Retailer 11$4,740 NZD
Retailer 10$4,875 NZD
Retailer 13$5,199 NZD
Retailer 7$5,307 NZD
Retailer 8$5,309 NZD
Retailer 12$5,421 NZD
Retailer 20$5,893 NZD
Retailer 14$7,363 NZD
Retailer 5$7,642 NZD
Brilliant Earth$8,336 NZD

36 data points across 20 retailers

23 retailers$1,734 NZD to $8,336 NZD

Retailer 1
-
$1,354 NZD
$762 USD
Price last confirmed 17 days ago
Retailer 2
-
$1,473 NZD
$829 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$1,571 NZD
$884 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$1,734 NZD
£768 GBP
View
A
Retailer 5
-
$1,797 NZD
HK$7,900 HKD
View
Retailer 6
-
$1,893 NZD
$1,065 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$2,381 NZD
€1,276 EUR
View
A
Retailer 8
-
$2,391 NZD
£1,059 GBP
View
Retailer 9
-
$2,538 NZD
$1,428 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,380 NZD
$1,902 USD
View
Retailer 11
-
$3,543 NZD
A$3,067 AUD
View
Price last confirmed 12 days ago
Retailer 12
-
$3,612 NZD
ZAR 32,833 ZAR
View
Price last confirmed 9 days ago
Retailer 13
-
$4,415 NZD
$2,484 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
$4,740 NZD
$2,667 USD
View
Retailer 15
-
$4,875 NZD
£2,160 GBP
View
Price last confirmed 17 days ago
B
Retailer 16
-
$5,199 NZD
SGD 3,953 SGD
View
Retailer 17
-
$5,307 NZD
$2,986 USD
View
Price last confirmed 8 days ago
Retailer 18
-
$5,309 NZD
$2,987 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$5,421 NZD
$3,050 USD
View
B
Retailer 20
-
$5,893 NZD
£2,611 GBP
View
B
Retailer 21
-
$7,363 NZD
$4,143 USD
View
B
Retailer 22
-
$7,642 NZD
$4,300 USD
View
Most Expensive
B
Brilliant Earth
21633999A · Nov 2
$8,336 NZD
$4,690 USD
View
22 more retailers have this diamond
Prices start from $1,734 NZDSave up to $6,602 NZD

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
3.92ct Marquise
$1,734 NZD