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Marquise|Lab Grown|IGI

3.06ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG842630605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842630605

Diamond specifications and retailer prices

From $977 NZD
HK$4,300 HKD
As of October 31, 2026
Save $4,293 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,270 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842630605 or 842630605. Listed at 12 retailers as of October 31, 2026, with prices from $977 to $5,270, a $4,293 spread on the same certified stone. Brilliant Earth lists it at $5,270. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.06
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842630605
Dimensions14.76 × 7.55 × 4.92 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
14.76 mm7.55 mm3.06 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842630605
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 65.2%

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 31
Current: $5,270 NZD|Low: $807 NZD|High: $5,270 NZD|Avg: $2,319 NZD
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
October 31, 2026
Retailer 3$807 NZD
Retailer 9$977 NZD
Retailer 6$1,153 NZD
Retailer 13$1,227 NZD
Retailer 7$1,367 NZD
Retailer 4$1,414 NZD
Retailer 8$1,462 NZD
Retailer 2$2,147 NZD
Retailer 12$2,771 NZD
Retailer 5$2,848 NZD
Retailer 11$3,515 NZD
Retailer 10$4,737 NZD
Brilliant Earth$5,270 NZD

15 data points across 13 retailers

12 retailers$977 NZD to $5,270 NZD

A
Cheapest Retailer
-
$977 NZD
HK$4,300 HKD
A
Retailer 2
-
$1,153 NZD
$650 USD
View
Retailer 3
-
$1,227 NZD
£544 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,367 NZD
€734 EUR
View
B+
Retailer 5
-
$1,414 NZD
$797 USD
View
A
Retailer 6
-
$1,462 NZD
£649 GBP
View
B+
Retailer 7
-
$2,147 NZD
$1,210 USD
View
B+
Retailer 8
-
$2,771 NZD
$1,562 USD
View
B+
Retailer 9
-
$2,848 NZD
SGD 2,169 SGD
View
Retailer 10
-
$3,515 NZD
£1,560 GBP
View
Price last confirmed 11 days ago
B
Retailer 11
-
$4,737 NZD
$2,670 USD
View
Most Expensive
B
Brilliant Earth
21831554A · Oct 31
$5,270 NZD
$2,970 USD
View
11 more retailers have this diamond
Prices start from $977 NZDSave up to $4,293 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
3.06ct Marquise
$977 NZD