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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG746503745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746503745

Diamond specifications and retailer prices

From $830 NZD
$468 USD
As of October 29, 2026
Save $5,451 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,281 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct 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 LG746503745 or 746503745. Listed at 19 retailers as of October 29, 2026, with prices from $830 to $6,281, a $5,451 spread on the same certified stone. Brilliant Earth lists it at $6,281. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746503745
Dimensions11.71 × 8.18 × 5.13 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm8.18 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746503745
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

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: $6,281 NZD|Low: $775 NZD|High: $6,281 NZD|Avg: $2,194 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
November 1, 2026
Retailer 7$830 NZD
Retailer 14$930 NZD
Retailer 11$1,029 NZD
Retailer 8$1,178 NZD
Retailer 15$1,277 NZD
Retailer 3$1,408 NZD
Retailer 12$1,531 NZD
Retailer 4$1,608 NZD
Retailer 18$1,693 NZD
Retailer 2$1,693 NZD
Retailer 10$2,212 NZD
Retailer 17$2,431 NZD
Retailer 16$2,830 NZD
Retailer 13$3,309 NZD
Retailer 6$3,363 NZD
Retailer 5$3,635 NZD
Retailer 9$3,696 NZD
Brilliant Earth$6,281 NZD

38 data points across 18 retailers

19 retailers$830 NZD to $6,281 NZD

A
Cheapest Retailer
-
$830 NZD
$468 USD
A
Retailer 2
-
$930 NZD
$524 USD
View
Retailer 3
-
$1,001 NZD
$564 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,029 NZD
$580 USD
View
A
Retailer 5
-
$1,178 NZD
$664 USD
View
Final sale: no returns
A
Retailer 6
-
$1,277 NZD
$720 USD
View
A
Retailer 7
-
$1,408 NZD
£625 GBP
View
A
Retailer 8
-
$1,531 NZD
€822 EUR
View
B+
Retailer 9
-
$1,608 NZD
$906 USD
View
A
Retailer 10
-
$1,693 NZD
$954 USD
View
A
Retailer 11
-
$1,693 NZD
£751 GBP
View
B+
Retailer 12
-
$2,212 NZD
A$1,918 AUD
View
B+
Retailer 13
-
$2,431 NZD
$1,370 USD
View
B
Retailer 14
-
$2,830 NZD
$1,595 USD
View
B
Retailer 15
-
$3,309 NZD
$1,865 USD
View
B
Retailer 16
-
$3,363 NZD
$1,895 USD
View
B
Retailer 17
-
$3,635 NZD
$2,049 USD
View
B
Retailer 18
-
$3,696 NZD
£1,640 GBP
View
Most Expensive
B
Brilliant Earth
16605189A · Oct 31
$6,281 NZD
$3,540 USD
View
18 more retailers have this diamond
Prices start from $830 NZDSave up to $5,451 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
3.09ct Oval
$830 NZD