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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611626

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611626

Diamond specifications and retailer prices

From $1,130 NZD
$637 USD
As of October 29, 2026
Save $4,397 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,184 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG815611626 or 815611626. Listed at 18 retailers as of October 26, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611626
Dimensions9.39 × 9.43 × 5.72 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 mm9.43 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611626
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.8%

Caratlytics Score

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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: $10,184 NZD|Low: $1,130 NZD|High: $10,184 NZD|Avg: $3,296 NZD
Rare Carat
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 18$1,130 NZD
Retailer 15$1,230 NZD
Retailer 6$1,265 NZD
Retailer 17$1,311 NZD
Retailer 9$1,856 NZD
Retailer 7$1,920 NZD
Retailer 13$1,925 NZD
Retailer 11$2,086 NZD
Retailer 2$2,959 NZD
Retailer 12$3,042 NZD
Retailer 16$3,346 NZD
Retailer 3$3,683 NZD
Retailer 8$3,762 NZD
Retailer 4$4,471 NZD
Retailer 10$4,522 NZD
Retailer 5$4,590 NZD
Retailer 14$5,527 NZD
Rare Carat$10,184 NZD

19 data points across 18 retailers

18 retailers$1,130 NZD to $5,527 NZD

A
Cheapest Retailer
-
$1,130 NZD
$637 USD
A
Retailer 2
-
$1,230 NZD
$693 USD
View
A
Retailer 3
-
$1,265 NZD
$713 USD
View
Final sale: no returns
A
Retailer 4
-
$1,311 NZD
$739 USD
View
A
Retailer 5
-
$1,856 NZD
$1,046 USD
View
A
Retailer 6
-
$1,920 NZD
$1,082 USD
View
A
Retailer 7
-
$1,925 NZD
$1,085 USD
View
A
Retailer 8
-
$2,086 NZD
£926 GBP
View
A
Retailer 9
-
$2,959 NZD
A$2,566 AUD
View
A
Retailer 10
-
$3,042 NZD
ZAR 27,701 ZAR
View
A
Retailer 11
-
$3,346 NZD
$1,886 USD
View
A
Retailer 12
-
$3,683 NZD
$2,076 USD
View
A
Retailer 13
-
$3,762 NZD
$2,120 USD
View
A
Retailer 14
-
$4,471 NZD
$2,520 USD
View
A
Retailer 15
-
$4,522 NZD
$2,549 USD
View
A
Retailer 16
-
$4,590 NZD
$2,587 USD
View
B+
Retailer 17
-
$5,527 NZD
£2,453 GBP
View
Most Expensive
Rare Carat
KK461_l_815611626 · Oct 21
$10,184 NZD
$5,740 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $1,130 NZDSave up to $4,397 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
$1,130 NZD