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Round|Lab Grown|IGI

4.27ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG739546597

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739546597

Diamond specifications and retailer prices

From €2,217 EUR
$2,477 USD
As of October 29, 2026
Save €10,574 EUR (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €12,791 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.27ct lab-grown round diamond

This 4.27ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739546597 or 739546597. Listed at 26 retailers as of October 29, 2026, with prices from €2,217 to €12,791, a €10,574 spread on the same certified stone. Brilliant Earth lists it at €12,791. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.27
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739546597
Dimensions10.44 × 10.36 × 6.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.44 mm10.36 mm4.27 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739546597
Side View
Table 56.0%Crown 33.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

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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: Oct 29
Current: €12,791 EUR|Low: €1,999 EUR|High: €21,590 EUR|Avg: €5,608 EUR|-40.8%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 18
Retailer 19
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Retailer 23
October 31, 2026
Retailer 3€1,999 EUR
Retailer 22€2,217 EUR
Retailer 21€2,412 EUR
Retailer 18€2,482 EUR
Retailer 4€2,572 EUR
Retailer 14€2,688 EUR
Retailer 15€3,128 EUR
Retailer 13€3,458 EUR
Retailer 23€3,535 EUR
Retailer 6€3,674 EUR
Retailer 5€3,855 EUR
Retailer 8€3,867 EUR
Retailer 2€4,091 EUR
Retailer 9€4,477 EUR
Retailer 17€5,474 EUR
Retailer 20€5,518 EUR
Retailer 16€6,727 EUR
Retailer 11€6,866 EUR
Retailer 19€6,922 EUR
Retailer 10€7,219 EUR
Retailer 7€10,073 EUR
Retailer 12€12,210 EUR
Brilliant Earth€12,791 EUR

30 data points across 23 retailers

26 retailers€2,217 EUR to €12,791 EUR

Retailer 1
-
€1,999 EUR
£1,759 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
€2,217 EUR
$2,477 USD
View
A
Retailer 3
-
€2,412 EUR
$2,695 USD
View
A
Retailer 4
-
€2,482 EUR
$2,773 USD
View
Final sale: no returns
A
Retailer 5
-
€2,572 EUR
$2,873 USD
View
A
Retailer 6
-
€2,688 EUR
$3,003 USD
View
A
Retailer 7
-
€3,128 EUR
HK$27,300 HKD
View
A
Retailer 8
-
€3,458 EUR
£3,042 GBP
View
A
Retailer 9
-
€3,535 EUR
$3,949 USD
View
A
Retailer 10
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€3,674 EUR
$4,105 USD
View
A
Retailer 11
-
€3,855 EUR
$4,307 USD
View
A
Retailer 12
-
€3,867 EUR
$4,320 USD
View
A
Retailer 13
-
€4,091 EUR
View
A
Retailer 14
-
€4,477 EUR
$5,002 USD
View
A
Retailer 15
-
€5,474 EUR
ZAR 98,792 ZAR
View
Retailer 16
-
€5,518 EUR
A$9,484 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
€6,727 EUR
$7,515 USD
View
B+
Retailer 18
-
€6,866 EUR
$7,671 USD
View
B+
Retailer 19
-
€6,922 EUR
£6,089 GBP
View
B+
Retailer 20
-
€7,219 EUR
$8,065 USD
View
B+
Retailer 21
-
€8,974 EUR
$10,026 USD
View
B+
Retailer 22
-
€9,069 EUR
SGD 13,692 SGD
View
B
Retailer 23
-
€9,934 EUR
$11,098 USD
View
Retailer 24
-
€10,073 EUR
A$17,314 AUD
View
Price last confirmed 23 days ago
B
Retailer 25
-
€12,210 EUR
$13,641 USD
View
Most Expensive
B
Brilliant Earth
16177765A · Oct 30
€12,791 EUR
$14,290 USD
View
25 more retailers have this diamond
Prices start from €2,217 EURSave up to €10,574 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
4.27ct Round
€2,217 EUR