Round|Lab Grown|IGI

4.27ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG799670315

Certificate IGI LG799670315

Diamond specifications and retailer prices

From $3,268 USD
Save $21,442 USD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $24,710 USD at Brilliant Earth
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, with prices from $3,268 to $24,710 at Brilliant Earth, a $21,442 spread on the same certified stone. 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
Color
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
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $24,710 USD|Low: $3,268 USD|High: $24,760 USD|Avg: $9,007 USD|-0.2%
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 1, 2026
Retailer 3$3,268 USD
Retailer 5$3,894 USD
Retailer 13$3,942 USD
Retailer 9$4,329 USD
Retailer 7$5,068 USD
Retailer 4$5,100 USD
Retailer 10$6,719 USD
Retailer 11$8,246 USD
Retailer 14$8,455 USD
Retailer 6$8,768 USD
Retailer 2$10,026 USD
Retailer 8$11,461 USD
Retailer 12$12,236 USD
Brilliant Earth$24,710 USD

36 data points across 14 retailers

14 retailers$3,268 USD to $24,710 USD

A
Cheapest Retailer
-
$3,268 USD
A
Retailer 2
-
$3,894 USD
View
A
Retailer 3
-
$3,942 USD
HK$30,800 HKD
View
A
Retailer 4
-
$4,339 USD
£3,416 GBP
View
A
Retailer 5
-
$5,068 USD
€4,827 EUR
View
A
Retailer 6
-
$5,100 USD
View
A
Retailer 7
-
$6,719 USD
ZAR 108,545 ZAR
View
B+
Retailer 8
-
$8,246 USD
£6,493 GBP
View
B+
Retailer 9
-
$8,455 USD
View
B+
Retailer 10
-
$8,768 USD
View
B+
Retailer 11
-
$10,026 USD
View
B+
Retailer 12
-
$11,461 USD
A$17,633 AUD
View
B
Retailer 13
-
$12,486 USD
View
Most Expensive
B
Brilliant Earth
20306691A · Sep 29
$24,710 USD
View
13 more retailers have this diamond
Prices start from $3,268 USDSave up to $21,442 USD

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.

A
4.27ct Round
$3,268 USD