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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 €370 EUR
$413 USD
As of October 29, 2026
Save €1,975 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,345 EUR at Brilliant Earth · As of October 30, 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 October 29, 2026, with prices from €370 to €2,345, a €1,975 spread on the same certified stone. Brilliant Earth lists it at €2,345. 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
Color
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: Oct 29
Current: €2,345 EUR|Low: €370 EUR|High: €8,191 EUR|Avg: €1,359 EUR|-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
Retailer 15
Retailer 16
October 31, 2026
Retailer 14€370 EUR
Retailer 13€414 EUR
Retailer 8€456 EUR
Retailer 16€459 EUR
Retailer 9€707 EUR
Retailer 5€716 EUR
Retailer 7€740 EUR
Retailer 2€778 EUR
Retailer 10€836 EUR
Retailer 3€1,287 EUR
Retailer 11€1,535 EUR
Retailer 15€1,628 EUR
Retailer 12€1,863 EUR
Retailer 6€1,874 EUR
Brilliant Earth€2,345 EUR
Retailer 4€8,191 EUR

45 data points across 16 retailers

17 retailers€370 EUR to €2,345 EUR

A
Cheapest Retailer
-
€370 EUR
$413 USD
B+
Retailer 2
-
€414 EUR
$463 USD
View
B+
Retailer 3
-
€456 EUR
$510 USD
View
Final sale: no returns
B+
Retailer 4
-
€459 EUR
$513 USD
View
B+
Retailer 5
-
€653 EUR
HK$5,700 HKD
View
B+
Retailer 6
-
€707 EUR
£622 GBP
View
B
Retailer 7
-
€716 EUR
$800 USD
View
B+
Retailer 8
-
€729 EUR
$814 USD
View
B+
Retailer 9
-
€740 EUR
$827 USD
View
B+
Retailer 10
-
€778 EUR
View
B+
Retailer 11
-
€836 EUR
£736 GBP
View
B
Retailer 12
-
€1,287 EUR
$1,438 USD
View
B
Retailer 13
-
€1,535 EUR
$1,715 USD
View
B
Retailer 14
-
€1,628 EUR
$1,819 USD
View
B
Retailer 15
-
€1,863 EUR
£1,639 GBP
View
B
Retailer 16
-
€1,874 EUR
SGD 2,829 SGD
View
Most Expensive
B
Brilliant Earth
7652076Y · Oct 30
€2,345 EUR
$2,620 USD
View
16 more retailers have this diamond
Prices start from €370 EURSave up to €1,975 EUR

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
€370 EUR