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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG715540666

Shape and cutting style on the report: Round brilliant

Certificate IGI LG715540666

Diamond specifications and retailer prices

From $1,379 NZD
$777 USD
As of October 29, 2026
Save $18,919 NZD (93%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $20,298 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG715540666 or 715540666. Listed at 26 retailers as of October 29, 2026, with prices from $1,379 to $20,298, a $18,919 spread on the same certified stone. Brilliant Earth lists it at $20,298. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715540666
Dimensions9.45 × 9.37 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm9.37 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715540666
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $20,298 NZD|Low: $1,499 NZD|High: $20,298 NZD|Avg: $5,395 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 11$1,499 NZD
Retailer 6$1,542 NZD
Retailer 15$1,916 NZD
Retailer 7$2,585 NZD
Retailer 14$2,686 NZD
Retailer 2$2,704 NZD
Retailer 4$3,550 NZD
Retailer 18$3,802 NZD
Retailer 16$3,983 NZD
Retailer 12$4,099 NZD
Retailer 8$5,338 NZD
Retailer 9$5,399 NZD
Retailer 10$6,294 NZD
Retailer 5$6,299 NZD
Retailer 13$6,652 NZD
Retailer 19$8,322 NZD
Retailer 17$9,679 NZD
Retailer 3$12,243 NZD
Brilliant Earth$20,298 NZD

40 data points across 19 retailers

26 retailers$1,379 NZD to $20,298 NZD

A
Cheapest Retailer
-
$1,379 NZD
$777 USD
A
Retailer 2
-
$1,499 NZD
$845 USD
View
A
Retailer 3
-
$1,542 NZD
$869 USD
View
Final sale: no returns
A
Retailer 4
-
$1,599 NZD
$901 USD
View
Retailer 5
-
$1,599 NZD
$901 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,916 NZD
$1,080 USD
View
A
Retailer 7
-
$2,180 NZD
HK$9,600 HKD
View
A
Retailer 8
-
$2,585 NZD
$1,457 USD
View
A
Retailer 9
-
$2,686 NZD
€1,442 EUR
View
A
Retailer 10
-
$2,704 NZD
£1,200 GBP
View
A
Retailer 11
-
$2,990 NZD
$1,685 USD
View
A
Retailer 12
-
$3,550 NZD
A$3,078 AUD
View
A
Retailer 13
-
$3,802 NZD
$2,143 USD
View
Retailer 14
-
$3,983 NZD
A$3,454 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
$4,099 NZD
ZAR 37,318 ZAR
View
A
Retailer 16
-
$4,963 NZD
$2,797 USD
View
A
Retailer 17
-
$5,337 NZD
$3,008 USD
View
B+
Retailer 18
-
$5,338 NZD
$3,009 USD
View
A
Retailer 19
-
$5,399 NZD
$3,043 USD
View
B+
Retailer 20
-
$6,294 NZD
SGD 4,794 SGD
View
B+
Retailer 21
-
$6,299 NZD
$3,550 USD
View
B+
Retailer 22
-
$6,652 NZD
£2,952 GBP
View
Retailer 23
-
$8,322 NZD
A$7,216 AUD
View
Price last confirmed 21 days ago
Retailer 24
-
$9,679 NZD
$5,455 USD
View
Price last confirmed 9 days ago
B
Retailer 25
-
$12,243 NZD
$6,900 USD
View
Most Expensive
B
Brilliant Earth
19794198Y · Oct 29
$20,298 NZD
$11,440 USD
View
25 more retailers have this diamond
Prices start from $1,379 NZDSave up to $18,919 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 Round
$1,379 NZD