Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843645240

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645240

Diamond specifications and retailer prices

From $1,343 NZD
$757 USD
As of October 29, 2026
Save $5,630 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,973 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843645240 or 843645240. Listed at 18 retailers as of October 29, 2026, with prices from $1,343 to $6,973, a $5,630 spread on the same certified stone. Brilliant Earth lists it at $6,973. 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

3.05
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645240
Dimensions14.75 × 7.46 × 4.84 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm7.46 mm3.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645240
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.9%

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: Oct 29
Current: $6,973 NZD|Low: $1,343 NZD|High: $6,991 NZD|Avg: $3,364 NZD|-0.3%
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
October 31, 2026
Retailer 4$1,343 NZD
Retailer 3$1,393 NZD
Retailer 18$1,712 NZD
Retailer 17$1,875 NZD
Retailer 8$1,984 NZD
Retailer 14$2,144 NZD
Retailer 11$2,230 NZD
Retailer 16$2,624 NZD
Retailer 2$3,101 NZD
Retailer 15$3,166 NZD
Retailer 13$3,236 NZD
Retailer 10$3,334 NZD
Retailer 5$4,755 NZD
Retailer 7$4,807 NZD
Retailer 6$4,819 NZD
Retailer 9$4,924 NZD
Retailer 12$5,902 NZD
Brilliant Earth$6,973 NZD

19 data points across 18 retailers

18 retailers$1,343 NZD to $6,973 NZD

A
Cheapest Retailer
-
$1,343 NZD
$757 USD
Final sale: no returns
Retailer 2
-
$1,393 NZD
$785 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,712 NZD
$965 USD
View
Retailer 4
-
$1,875 NZD
£832 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,984 NZD
$1,118 USD
View
A
Retailer 6
-
$2,144 NZD
€1,151 EUR
View
A
Retailer 7
-
$2,230 NZD
£990 GBP
View
B+
Retailer 8
-
$2,624 NZD
$1,479 USD
View
B+
Retailer 9
-
$3,101 NZD
$1,748 USD
View
Retailer 10
-
$3,166 NZD
A$2,745 AUD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$3,236 NZD
ZAR 29,461 ZAR
View
Retailer 12
-
$3,334 NZD
$1,879 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$4,755 NZD
$2,680 USD
View
B
Retailer 14
-
$4,807 NZD
$2,709 USD
View
B
Retailer 15
-
$4,819 NZD
$2,716 USD
View
B
Retailer 16
-
$4,924 NZD
$2,775 USD
View
B
Retailer 17
-
$5,902 NZD
£2,619 GBP
View
Most Expensive
B
Brilliant Earth
22175498A · Oct 30
$6,973 NZD
$3,930 USD
View
17 more retailers have this diamond
Prices start from $1,343 NZDSave up to $5,630 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
3.05ct Marquise
$1,343 NZD