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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG629470448

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629470448

Diamond specifications and retailer prices

From $2,225 NZD
As of November 5, 2026
Save $720 NZD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,946 NZD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629470448 or 629470448. Listed at 3 retailers as of November 5, 2026, with prices from $2,225 to $2,946, a $720 spread on the same certified stone. The Diamond Guys lists it at $2,946. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629470448
Dimensions9.26 × 9.19 × 5.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.26 mm9.19 mm3.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629470448
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $598 NZD|Low: $445 NZD|High: $7,489 NZD|Avg: $2,623 NZD
Retailer 1
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
The Diamond Guys
September 18, 2026
Retailer 1$598 NZD
Retailer 13$685 NZD
Retailer 8$694 NZD
Retailer 11$962 NZD
Retailer 12$1,085 NZD
Retailer 9$1,174 NZD
Retailer 10$1,222 NZD
Retailer 15$1,699 NZD
Retailer 14$1,701 NZD
Retailer 2$1,850 NZD
Retailer 3$1,877 NZD
Retailer 4$2,225 NZD
The Diamond Guys$2,946 NZD
Retailer 6$3,360 NZD
Retailer 5$4,696 NZD
Retailer 7$7,489 NZD

65 data points across 16 retailers

3 retailers$2,225 NZD to $2,946 NZD

Retailer 1
-
$685 NZD
Price last confirmed 51 days ago
B+
Retailer 2
-
$2,225 NZD
View
Most Expensive
B
The Diamond Guys
1954434405 · Nov 6
$2,946 NZD
$1,656 USD
View
2 more retailers have this diamond
Prices start from $2,225 NZDSave up to $720 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.

B+
3.09ct Round
$2,225 NZD