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Round|Lab Grown|IGI

4.88ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754508618

Certificate IGI LG754508618

Diamond specifications and retailer prices

From $3,713 USD
Save $26,197 USD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $29,910 USD at Brilliant Earth
View at Brilliant Earth

About this 4.88ct lab-grown round diamond

This 4.88ct 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 LG754508618 or 754508618. Listed at 13 retailers, with prices from $3,713 to $29,910 at Brilliant Earth, a $26,197 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

4.88
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508618
Dimensions10.86 × 10.81 × 6.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
10.86 mm10.81 mm4.88 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508618
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: $29,910 USD|Low: $3,568 USD|High: $29,910 USD|Avg: $10,448 USD
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
October 1, 2026
Retailer 10$3,713 USD
Retailer 13$5,028 USD
Retailer 11$5,066 USD
Retailer 3$5,171 USD
Retailer 7$5,510 USD
Retailer 2$6,564 USD
Retailer 5$6,810 USD
Retailer 8$8,956 USD
Retailer 12$10,951 USD
Retailer 6$14,200 USD
Retailer 4$14,552 USD
Retailer 9$14,971 USD
Brilliant Earth$29,910 USD

34 data points across 13 retailers

13 retailers$3,713 USD to $29,910 USD

A
Cheapest Retailer
-
$3,713 USD
A
Retailer 2
-
$5,028 USD
View
A
Retailer 3
-
$5,066 USD
View
A
Retailer 4
-
$5,171 USD
HK$40,400 HKD
View
A
Retailer 5
-
$5,407 USD
£4,257 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
$5,522 USD
£4,348 GBP
View
A
Retailer 7
-
$6,564 USD
€6,251 EUR
View
B+
Retailer 8
-
$8,956 USD
£7,052 GBP
View
B+
Retailer 9
-
$10,951 USD
View
B+
Retailer 10
-
$14,200 USD
A$21,846 AUD
View
B+
Retailer 11
-
$14,552 USD
View
B+
Retailer 12
-
$14,971 USD
SGD 20,231 SGD
View
Most Expensive
B
Brilliant Earth
18652360Y · Oct 1
$29,910 USD
View
12 more retailers have this diamond
Prices start from $3,713 USDSave up to $26,197 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
4.88ct Round
$3,713 USD