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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 $735 NZD
As of November 5, 2026
Save $3,926 NZD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,661 NZD 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 $735 to $4,661, a $3,926 spread on the same certified stone. Brilliant Earth lists it at $4,661. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,661 NZD|Low: $735 NZD|High: $16,279 NZD|Avg: $3,098 NZD|-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$735 NZD
Retailer 11$824 NZD
Retailer 14$913 NZD
Retailer 2$1,391 NZD
Retailer 5$1,423 NZD
Retailer 10$1,551 NZD
Retailer 8$1,645 NZD
Retailer 3$2,558 NZD
Retailer 9$2,900 NZD
Retailer 13$3,236 NZD
Retailer 7$3,688 NZD
Retailer 6$3,723 NZD
Brilliant Earth$4,661 NZD
Retailer 4$16,279 NZD

45 data points across 14 retailers

17 retailers$735 NZD to $4,661 NZD

A
Cheapest Retailer
-
$735 NZD
B+
Retailer 2
-
$824 NZD
View
B+
Retailer 3
-
$907 NZD
View
Final sale: no returns
B+
Retailer 4
-
$913 NZD
View
B+
Retailer 5
-
$1,297 NZD
View
B+
Retailer 6
-
$1,391 NZD
View
B
Retailer 7
-
$1,423 NZD
View
B+
Retailer 8
-
$1,448 NZD
View
B+
Retailer 9
-
$1,471 NZD
View
B+
Retailer 10
-
$1,551 NZD
View
B+
Retailer 11
-
$1,645 NZD
View
B
Retailer 12
-
$2,558 NZD
View
B
Retailer 13
-
$2,900 NZD
View
B
Retailer 14
-
$3,236 NZD
View
B
Retailer 15
-
$3,688 NZD
View
B
Retailer 16
-
$3,723 NZD
View
Most Expensive
B
Brilliant Earth
7652076Y · Nov 5
$4,661 NZD
$2,620 USD
View
16 more retailers have this diamond
Prices start from $735 NZDSave up to $3,926 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
3.00ct Round
$735 NZD