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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG709530337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG709530337

Diamond specifications and retailer prices

From $641 NZD
$361 USD
As of October 29, 2026
Save $2,124 NZD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,764 NZD at Adiamor · As of October 31, 2026
View at Adiamor

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 LG709530337 or 709530337. Listed at 12 retailers as of October 29, 2026, with prices from $641 to $2,764, a $2,124 spread on the same certified stone. Adiamor lists it at $2,764. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709530337
Dimensions12.08 × 8.14 × 5.08 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.08 mm8.14 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709530337
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $2,764 NZD|Low: $641 NZD|High: $9,812 NZD|Avg: $2,358 NZD|+1.3%
Adiamor
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
October 31, 2026
Retailer 10$641 NZD
Retailer 5$742 NZD
Retailer 12$793 NZD
Retailer 14$886 NZD
Retailer 11$1,065 NZD
Retailer 9$1,085 NZD
Retailer 3$1,269 NZD
Retailer 13$1,356 NZD
Retailer 2$1,418 NZD
Retailer 7$1,761 NZD
Retailer 8$2,326 NZD
Retailer 4$2,550 NZD
Adiamor$2,764 NZD
Retailer 15$3,646 NZD
Retailer 6$9,812 NZD

5 data points across 15 retailers

12 retailers$641 NZD to $2,764 NZD

A
Cheapest Retailer
-
$641 NZD
$361 USD
A
Retailer 2
-
$742 NZD
$418 USD
View
A
Retailer 3
-
$793 NZD
$447 USD
View
A
Retailer 4
-
$886 NZD
HK$3,900 HKD
View
A
Retailer 5
-
$1,065 NZD
$600 USD
View
A
Retailer 6
-
$1,085 NZD
£481 GBP
View
B+
Retailer 7
-
$1,269 NZD
$715 USD
View
A
Retailer 8
-
$1,356 NZD
$764 USD
View
A
Retailer 9
-
$1,418 NZD
£629 GBP
View
B+
Retailer 10
-
$2,326 NZD
$1,311 USD
View
B+
Retailer 11
-
$2,550 NZD
$1,437 USD
View
Most Expensive
B
Adiamor
D-82829006 · Oct 31
$2,764 NZD
$1,558 USD
View
11 more retailers have this diamond
Prices start from $641 NZDSave up to $2,124 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
$641 NZD