CaratHunter
Plans
Marquise|Lab Grown|IGI

3.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG818696663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818696663

Diamond specifications and retailer prices

From $1,485 NZD
$837 USD
As of October 31, 2026
Save $5,010 NZD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,945 NZD at Rare Carat · As of October 12, 2026
View at Rare Carat

About this 3.18ct lab-grown marquise diamond

This 3.18ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818696663 or 818696663. Listed at 17 retailers as of October 31, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.18
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818696663
Dimensions14.66 × 7.52 × 4.72 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
14.66 mm7.52 mm3.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818696663
Side View
Table 60.0%Crown 38.4°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.8%

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: Oct 31
Current: $6,046 NZD|Low: $1,485 NZD|High: $6,495 NZD|Avg: $3,609 NZD|+0.3%
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 1, 2026
Retailer 16$1,485 NZD
Retailer 11$1,854 NZD
Retailer 9$2,204 NZD
Retailer 12$2,213 NZD
Retailer 10$2,472 NZD
Retailer 6$2,845 NZD
Retailer 3$3,476 NZD
Retailer 14$3,522 NZD
Retailer 7$3,597 NZD
Retailer 5$3,685 NZD
Retailer 8$5,064 NZD
Retailer 4$5,180 NZD
Retailer 15$5,310 NZD
Retailer 13$5,500 NZD
Retailer 1$6,046 NZD
Retailer 2$6,495 NZD

18 data points across 16 retailers

17 retailers$1,485 NZD to $6,495 NZD

A
Cheapest Retailer
-
$1,485 NZD
$837 USD
Final sale: no returns
A
Retailer 2
-
$1,854 NZD
$1,045 USD
View
A
Retailer 3
-
$2,204 NZD
$1,242 USD
View
A
Retailer 4
-
$2,213 NZD
$1,247 USD
View
A
Retailer 5
-
$2,472 NZD
£1,097 GBP
View
A
Retailer 6
-
$2,845 NZD
€1,527 EUR
View
B+
Retailer 7
-
$3,476 NZD
A$3,014 AUD
View
B+
Retailer 8
-
$3,522 NZD
$1,985 USD
View
B+
Retailer 9
-
$3,597 NZD
ZAR 32,754 ZAR
View
B+
Retailer 10
-
$3,685 NZD
$2,077 USD
View
B+
Retailer 11
-
$5,064 NZD
$2,854 USD
View
B+
Retailer 12
-
$5,180 NZD
SGD 3,945 SGD
View
B+
Retailer 13
-
$5,310 NZD
$2,993 USD
View
B+
Retailer 14
-
$5,500 NZD
$3,100 USD
View
B+
Retailer 15
-
$6,046 NZD
£2,683 GBP
View
B
Retailer 16
-
$6,495 NZD
A$5,632 AUD
View
Most Expensive
Rare Carat
CN169-74A · Oct 7
$9,945 NZD
$5,605 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $1,485 NZDSave up to $5,010 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
3.18ct Marquise
$1,485 NZD