Round|Lab Grown|GIA

3.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2486885853

Certificate GIA 2486885853

Diamond specifications and retailer prices

From $1,605 NZD
As of November 4, 2026
Save $5,885 NZD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,489 NZD at Brilliant Earth · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2486885853. Listed at 13 retailers as of November 4, 2026, with prices from $1,605 to $7,489, a $5,885 spread on the same certified stone. Brilliant Earth lists it at $7,489. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 2486885853
Dimensions9.41 × 9.45 × 5.72 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
9.41 mm9.45 mm3.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2486885853
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: Nov 4
Current: $7,489 NZD|Low: $1,605 NZD|High: $7,489 NZD|Avg: $3,672 NZD|+1.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$1,605 NZD
Retailer 12$1,754 NZD
Retailer 11$1,975 NZD
Retailer 9$2,218 NZD
Retailer 8$2,254 NZD
Retailer 2$2,681 NZD
Retailer 7$2,788 NZD
Retailer 6$3,627 NZD
Retailer 3$4,872 NZD
Retailer 4$6,548 NZD
Retailer 5$6,865 NZD
Brilliant Earth$7,489 NZD

44 data points across 12 retailers

13 retailers$1,605 NZD to $7,489 NZD

A
Cheapest Retailer
-
$1,605 NZD
Final sale: no returns
A
Retailer 2
-
$1,754 NZD
View
B+
Retailer 3
-
$1,975 NZD
View
B+
Retailer 4
-
$2,218 NZD
View
B+
Retailer 5
-
$2,254 NZD
View
B+
Retailer 6
-
$2,681 NZD
View
B+
Retailer 7
-
$2,788 NZD
View
B
Retailer 8
-
$3,627 NZD
View
B
Retailer 9
-
$4,872 NZD
View
B
Retailer 10
-
$5,162 NZD
View
B
Retailer 11
-
$6,548 NZD
View
B
Retailer 12
-
$6,865 NZD
View
Most Expensive
B
Brilliant Earth
9754017A · Nov 5
$7,489 NZD
$4,210 USD
View
12 more retailers have this diamond
Prices start from $1,605 NZDSave up to $5,885 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
$1,605 NZD