Round|Lab Grown|IGI

4.03ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG812632642

Certificate IGI LG812632642

Diamond specifications and retailer prices

From $1,835 USD
£1,445 GBP
Save $13,055 USD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $14,890 USD at Brilliant Earth
View at Brilliant Earth

About this 4.03ct lab-grown round diamond

This 4.03ct 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 LG812632642 or 812632642. Listed at 24 retailers, with prices from $1,835 to $14,890 at Brilliant Earth, a $13,055 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

4.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812632642
Dimensions10.25 × 10.16 × 6.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
10.25 mm10.16 mm4.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812632642
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

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: Oct 1
Current: $14,890 USD|Low: $1,811 USD|High: $23,320 USD|Avg: $4,873 USD|-36.1%
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 13$1,835 USD
Retailer 4$2,027 USD
Retailer 11$2,194 USD
Retailer 7$2,269 USD
Retailer 6$2,319 USD
Retailer 5$2,351 USD
Retailer 21$2,520 USD
Retailer 10$3,045 USD
Retailer 18$3,212 USD
Retailer 9$3,232 USD
Retailer 12$3,536 USD
Retailer 16$3,677 USD
Retailer 2$3,700 USD
Retailer 17$4,401 USD
Retailer 19$4,914 USD
Retailer 3$5,043 USD
Retailer 14$6,752 USD
Retailer 20$6,796 USD
Retailer 8$8,227 USD
Retailer 15$10,253 USD
Brilliant Earth$14,890 USD

22 data points across 21 retailers

24 retailers$1,835 USD to $14,890 USD

A
Cheapest Retailer
-
$1,835 USD
£1,445 GBP
A
Retailer 2
-
$2,027 USD
View
A
Retailer 3
-
$2,194 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,269 USD
View
A
Retailer 5
-
$2,319 USD
View
A
Retailer 6
-
$2,351 USD
View
A
Retailer 7
-
$2,520 USD
View
A
Retailer 8
-
$3,045 USD
View
A
Retailer 9
-
$3,219 USD
£2,534 GBP
View
A
Retailer 10
-
$3,232 USD
View
A
Retailer 11
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$3,536 USD
View
A
Retailer 12
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$3,677 USD
View
A
Retailer 13
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$3,700 USD
€3,524 EUR
View
A
Retailer 14
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$4,401 USD
View
A
Retailer 15
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$4,414 USD
View
Price last confirmed 15 days ago
A
Retailer 16
-
$4,914 USD
ZAR 79,383 ZAR
View
A
Retailer 17
-
$5,043 USD
A$7,758 AUD
View
B+
Retailer 18
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$6,621 USD
View
B+
Retailer 19
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$6,752 USD
View
B+
Retailer 20
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$6,796 USD
£5,351 GBP
View
B+
Retailer 21
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$8,227 USD
View
B+
Retailer 22
-
$9,119 USD
£7,180 GBP
View
B+
Retailer 23
-
$10,253 USD
A$15,774 AUD
View
Most Expensive
B
Brilliant Earth
20475995A · Oct 1
$14,890 USD
View
23 more retailers have this diamond
Prices start from $1,835 USDSave up to $13,055 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
4.03ct Round
$1,835 USD