Marquise|Lab Grown|IGI

3.03ct G SI2 Marquise Lab Grown Diamond

VG • G/SI2 • IGI LG825655562

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825655562

Diamond specifications and retailer prices

From $619 NZD
$348 USD
As of October 30, 2026
Save $3,052 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,670 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825655562 or 825655562. Listed at 11 retailers as of October 28, 2026, with prices from $619 to $3,670, a $3,052 spread on the same certified stone. Rare Carat lists it at $3,670. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655562
Dimensions15.37 × 7.59 × 4.65 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.37 mm7.59 mm3.03 ctG / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655562
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: Oct 30
Current: $3,670 NZD|Low: $691 NZD|High: $3,670 NZD|Avg: $1,713 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$691 NZD
Retailer 8$768 NZD
Retailer 5$940 NZD
Retailer 6$1,235 NZD
Retailer 3$1,379 NZD
Retailer 10$1,733 NZD
Retailer 7$2,250 NZD
Retailer 2$2,449 NZD
Retailer 4$2,998 NZD
Rare Carat$3,670 NZD

13 data points across 10 retailers

11 retailers$619 NZD to $3,670 NZD

A
Cheapest Retailer
-
$619 NZD
$348 USD
A
Retailer 2
-
$691 NZD
$389 USD
View
Final sale: no returns
Retailer 3
-
$768 NZD
$432 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$940 NZD
£416 GBP
View
B+
Retailer 5
-
$1,235 NZD
$695 USD
View
A
Retailer 6
-
$1,379 NZD
£611 GBP
View
B+
Retailer 7
-
$1,733 NZD
$975 USD
View
B+
Retailer 8
-
$2,250 NZD
$1,266 USD
View
B+
Retailer 9
-
$2,449 NZD
SGD 1,862 SGD
View
B
Retailer 10
-
$2,998 NZD
£1,328 GBP
View
Most Expensive
B
Rare Carat
PR-14696 · Oct 28
$3,670 NZD
$2,065 USD
View
10 more retailers have this diamond
Prices start from $619 NZDSave up to $3,052 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
3.03ct Marquise
$619 NZD