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Oval|Lab Grown|IGI

3.05ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG740503263

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG740503263

Diamond specifications and retailer prices

From $820 NZD
$462 USD
As of October 29, 2026
Save $5,426 NZD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,246 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval 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 LG740503263 or 740503263. Listed at 21 retailers as of October 29, 2026, with prices from $820 to $6,246, a $5,426 spread on the same certified stone. Brilliant Earth lists it at $6,246. 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

3.05
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740503263
Dimensions12.17 × 8.08 × 4.93 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.17 mm8.08 mm3.05 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740503263
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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 29
Current: $6,246 NZD|Low: $765 NZD|High: $6,246 NZD|Avg: $2,153 NZD|+4.1%
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
October 31, 2026
Retailer 8$820 NZD
Retailer 14$919 NZD
Retailer 2$1,017 NZD
Retailer 5$1,162 NZD
Retailer 16$1,269 NZD
Retailer 3$1,391 NZD
Retailer 12$1,515 NZD
Retailer 4$1,592 NZD
Retailer 19$1,678 NZD
Retailer 15$1,685 NZD
Retailer 10$2,189 NZD
Retailer 18$2,401 NZD
Retailer 17$2,763 NZD
Retailer 13$3,270 NZD
Retailer 7$3,324 NZD
Retailer 11$3,566 NZD
Retailer 6$3,603 NZD
Retailer 9$3,650 NZD
Brilliant Earth$6,246 NZD

31 data points across 19 retailers

21 retailers$820 NZD to $6,246 NZD

A
Cheapest Retailer
-
$820 NZD
$462 USD
A
Retailer 2
-
$919 NZD
$518 USD
View
Retailer 3
-
$988 NZD
$557 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,017 NZD
$573 USD
View
A
Retailer 5
-
$1,162 NZD
$655 USD
View
Final sale: no returns
A
Retailer 6
-
$1,269 NZD
$715 USD
View
A
Retailer 7
-
$1,391 NZD
£617 GBP
View
A
Retailer 8
-
$1,515 NZD
€813 EUR
View
B+
Retailer 9
-
$1,592 NZD
$897 USD
View
A
Retailer 10
-
$1,678 NZD
$946 USD
View
A
Retailer 11
-
$1,685 NZD
£748 GBP
View
B+
Retailer 12
-
$2,189 NZD
A$1,898 AUD
View
B+
Retailer 13
-
$2,401 NZD
$1,353 USD
View
B
Retailer 14
-
$2,763 NZD
$1,557 USD
View
B
Retailer 15
-
$3,270 NZD
$1,843 USD
View
B
Retailer 16
-
$3,324 NZD
$1,873 USD
View
B
Retailer 17
-
$3,566 NZD
$2,010 USD
View
B
Retailer 18
-
$3,603 NZD
$2,031 USD
View
B
Retailer 19
-
$3,650 NZD
£1,620 GBP
View
Retailer 20
-
$4,929 NZD
$2,778 USD
View
Price last confirmed 96 days ago
Most Expensive
B
Brilliant Earth
16730063A · Oct 31
$6,246 NZD
$3,520 USD
View
20 more retailers have this diamond
Prices start from $820 NZDSave up to $5,426 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 Oval
$820 NZD