CaratHunter
Plans
Round|Lab Grown|IGI

4.27ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG799670315

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799670315

Diamond specifications and retailer prices

From €2,688 EUR
$3,003 USD
As of October 30, 2026
Save €10,103 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €12,791 EUR at Brilliant Earth · As of October 31, 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 LG799670315 or 799670315. Listed at 14 retailers as of October 30, 2026, with prices from €2,688 to €12,791, a €10,103 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 angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670315
Dimensions10.31 × 10.41 × 6.44 mm
L/W Ratio1.01
Girdle conditionFaceted
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
10.31 mm10.41 mm4.27 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670315
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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 30
Current: €12,791 EUR|Low: €2,688 EUR|High: €22,252 EUR|Avg: €6,834 EUR|-42.5%
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
October 31, 2026
Retailer 14€2,688 EUR
Retailer 3€3,128 EUR
Retailer 7€3,458 EUR
Retailer 10€3,867 EUR
Retailer 2€4,091 EUR
Retailer 12€4,477 EUR
Retailer 8€5,474 EUR
Retailer 4€6,727 EUR
Retailer 13€6,866 EUR
Retailer 9€6,922 EUR
Retailer 6€8,974 EUR
Retailer 5€9,934 EUR
Retailer 11€10,093 EUR
Brilliant Earth€12,791 EUR

41 data points across 14 retailers

14 retailers€2,688 EUR to €12,791 EUR

A
Cheapest Retailer
-
€2,688 EUR
$3,003 USD
A
Retailer 2
-
€3,128 EUR
HK$27,300 HKD
View
A
Retailer 3
-
€3,458 EUR
£3,042 GBP
View
A
Retailer 4
-
€3,867 EUR
$4,320 USD
View
A
Retailer 5
-
€4,091 EUR
View
A
Retailer 6
-
€4,477 EUR
$5,002 USD
View
A
Retailer 7
-
€5,474 EUR
ZAR 98,792 ZAR
View
B+
Retailer 8
-
€6,727 EUR
$7,515 USD
View
B+
Retailer 9
-
€6,866 EUR
$7,671 USD
View
B+
Retailer 10
-
€6,922 EUR
£6,089 GBP
View
B+
Retailer 11
-
€8,974 EUR
$10,026 USD
View
B
Retailer 12
-
€9,934 EUR
$11,098 USD
View
Retailer 13
-
€10,093 EUR
A$17,347 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
20306691A · Oct 31
€12,791 EUR
$14,290 USD
View
13 more retailers have this diamond
Prices start from €2,688 EURSave up to €10,103 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
€2,688 EUR