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Round|Lab Grown|IGI

3.00ct D SI2 Round Lab Grown Diamond

VG • D/SI2 • IGI LG425057688

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425057688

Diamond specifications and retailer prices

From $590 AUD
As of November 5, 2026
Save $3,153 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,743 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG425057688 or 425057688. Listed at 17 retailers as of November 5, 2026, with prices from $590 to $3,743, a $3,153 spread on the same certified stone. Brilliant Earth lists it at $3,743. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425057688
Dimensions9.09 × 9.01 × 5.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
9.09 mm9.01 mm3.00 ctD / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG425057688
Side View
Table 52.0%Crown 36°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 64.0%

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: Nov 5
Current: $3,743 AUD|Low: $590 AUD|High: $13,072 AUD|Avg: $2,487 AUD|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 12$590 AUD
Retailer 11$661 AUD
Retailer 14$733 AUD
Retailer 2$1,117 AUD
Retailer 5$1,143 AUD
Retailer 10$1,246 AUD
Retailer 8$1,321 AUD
Retailer 3$2,054 AUD
Retailer 9$2,328 AUD
Retailer 13$2,598 AUD
Retailer 7$2,961 AUD
Retailer 6$2,990 AUD
Brilliant Earth$3,743 AUD
Retailer 4$13,072 AUD

45 data points across 14 retailers

17 retailers$590 AUD to $3,743 AUD

A
Cheapest Retailer
-
$590 AUD
B+
Retailer 2
-
$661 AUD
View
B+
Retailer 3
-
$729 AUD
View
Final sale: no returns
B+
Retailer 4
-
$733 AUD
View
B+
Retailer 5
-
$1,041 AUD
View
B+
Retailer 6
-
$1,117 AUD
View
B
Retailer 7
-
$1,143 AUD
View
B+
Retailer 8
-
$1,163 AUD
View
B+
Retailer 9
-
$1,181 AUD
View
B+
Retailer 10
-
$1,246 AUD
View
B+
Retailer 11
-
$1,321 AUD
View
B
Retailer 12
-
$2,054 AUD
View
B
Retailer 13
-
$2,328 AUD
View
B
Retailer 14
-
$2,598 AUD
View
B
Retailer 15
-
$2,961 AUD
View
B
Retailer 16
-
$2,990 AUD
View
Most Expensive
B
Brilliant Earth
7652076Y · Nov 5
$3,743 AUD
$2,620 USD
View
16 more retailers have this diamond
Prices start from $590 AUDSave up to $3,153 AUD

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
3.00ct Round
$590 AUD