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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815677230

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677230

Diamond specifications and retailer prices

From $1,347 NZD
$759 USD
As of October 29, 2026
Save $12,440 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,786 NZD at Brilliant Earth · As of October 30, 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 LG815677230 or 815677230. Listed at 24 retailers as of October 29, 2026, with prices from $1,347 to $13,786, a $12,440 spread on the same certified stone. Brilliant Earth lists it at $13,786. 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 angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677230
Dimensions9.39 × 9.35 × 5.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.39 mm9.35 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677230
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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: $13,786 NZD|Low: $1,347 NZD|High: $16,625 NZD|Avg: $4,554 NZD|-17.1%
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
October 30, 2026
Retailer 16$1,347 NZD
Retailer 4$2,103 NZD
Retailer 13$2,165 NZD
Retailer 2$2,228 NZD
Retailer 10$2,273 NZD
Retailer 11$3,243 NZD
Retailer 7$3,249 NZD
Retailer 3$3,542 NZD
Retailer 6$3,547 NZD
Retailer 14$3,788 NZD
Retailer 15$4,517 NZD
Retailer 5$4,817 NZD
Retailer 12$4,828 NZD
Retailer 9$5,915 NZD
Retailer 8$10,238 NZD
Brilliant Earth$13,786 NZD

35 data points across 16 retailers

24 retailers$1,347 NZD to $13,786 NZD

Retailer 1
-
$1,242 NZD
$700 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,279 NZD
$721 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$1,347 NZD
$759 USD
View
Final sale: no returns
Retailer 4
-
$1,391 NZD
$784 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$1,441 NZD
$812 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$1,441 NZD
$812 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$1,462 NZD
$824 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$2,103 NZD
$1,185 USD
View
A
Retailer 9
-
$2,165 NZD
$1,220 USD
View
A
Retailer 10
-
$2,228 NZD
£989 GBP
View
A
Retailer 11
-
$2,273 NZD
€1,220 EUR
View
A
Retailer 12
-
$3,243 NZD
ZAR 29,527 ZAR
View
Retailer 13
-
$3,249 NZD
A$2,817 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$3,542 NZD
$1,996 USD
View
A
Retailer 15
-
$3,547 NZD
$1,999 USD
View
A
Retailer 16
-
$3,788 NZD
$2,135 USD
View
Retailer 17
-
$4,049 NZD
$2,282 USD
View
Price last confirmed 23 days ago
Retailer 18
-
$4,170 NZD
$2,350 USD
View
Price last confirmed 39 days ago
A
Retailer 19
-
$4,517 NZD
$2,546 USD
View
B+
Retailer 20
-
$4,817 NZD
$2,715 USD
View
B+
Retailer 21
-
$4,828 NZD
$2,721 USD
View
B+
Retailer 22
-
$5,915 NZD
£2,625 GBP
View
Retailer 23
-
$10,238 NZD
$5,770 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21016998A · Oct 30
$13,786 NZD
$7,770 USD
View
23 more retailers have this diamond
Prices start from $1,347 NZDSave up to $12,440 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
$1,347 NZD