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3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG839676250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839676250

Diamond specifications and retailer prices

From $1,843 NZD
$1,039 USD
As of October 31, 2026
Save $24,185 NZD (93%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $26,029 NZD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839676250 or 839676250. Listed at 14 retailers as of October 31, 2026, with prices from $1,843 to $26,029, a $24,185 spread on the same certified stone. Brilliant Earth lists it at $26,029. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839676250
Dimensions9.34 × 9.29 × 5.75 mm
L/W Ratio1.01
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
9.34 mm9.29 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839676250
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: $26,029 NZD|Low: $1,843 NZD|High: $26,029 NZD|Avg: $5,629 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
November 1, 2026
Retailer 3$1,843 NZD
Retailer 14$2,203 NZD
Retailer 10$2,280 NZD
Retailer 4$2,732 NZD
Retailer 8$2,732 NZD
Retailer 2$2,933 NZD
Retailer 13$2,998 NZD
Retailer 9$4,249 NZD
Retailer 7$4,313 NZD
Retailer 11$4,435 NZD
Retailer 6$5,820 NZD
Retailer 5$6,409 NZD
Retailer 12$6,512 NZD
Brilliant Earth$26,029 NZD

21 data points across 14 retailers

14 retailers$1,843 NZD to $26,029 NZD

A+
Cheapest Retailer
-
$1,843 NZD
$1,039 USD
Final sale: no returns
A
Retailer 2
-
$2,203 NZD
HK$9,700 HKD
View
A
Retailer 3
-
$2,280 NZD
£1,012 GBP
View
A
Retailer 4
-
$2,732 NZD
$1,540 USD
View
A
Retailer 5
-
$2,732 NZD
$1,540 USD
View
A
Retailer 6
-
$2,933 NZD
£1,301 GBP
View
A
Retailer 7
-
$2,998 NZD
€1,609 EUR
View
A
Retailer 8
-
$4,249 NZD
$2,395 USD
View
A
Retailer 9
-
$4,313 NZD
A$3,740 AUD
View
A
Retailer 10
-
$4,435 NZD
ZAR 40,385 ZAR
View
B+
Retailer 11
-
$5,820 NZD
$3,280 USD
View
B+
Retailer 12
-
$6,409 NZD
SGD 4,881 SGD
View
B+
Retailer 13
-
$6,512 NZD
£2,890 GBP
View
Most Expensive
B
Brilliant Earth
21813004A · Oct 31
$26,029 NZD
$14,670 USD
View
13 more retailers have this diamond
Prices start from $1,843 NZDSave up to $24,185 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
$1,843 NZD