Round|Lab Grown|IGI

4.90ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG819602237

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819602237

Diamond specifications and retailer prices

From $546 USD
As of October 26, 2026
Save $2,932 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,478 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.9ct lab-grown round diamond

This 4.9ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG819602237 or 819602237. Listed at 16 retailers as of October 26, 2026, with prices from $546 to $3,478, a $2,932 spread on the same certified stone. Adiamor lists it at $3,478. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.90
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819602237
Dimensions10.90 × 10.83 × 6.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm10.83 mm4.90 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819602237
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 26
Current: $3,478 USD|Low: $531 USD|High: $5,560 USD|Avg: $1,763 USD|-0.2%
Adiamor
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 16$546 USD
Retailer 8$610 USD
Retailer 7$611 USD
Retailer 4$677 USD
Retailer 2$742 USD
Retailer 14$810 USD
Retailer 15$944 USD
Retailer 10$985 USD
Retailer 5$1,029 USD
Retailer 17$1,046 USD
Retailer 12$1,490 USD
Retailer 6$1,780 USD
Retailer 11$2,140 USD
Retailer 13$2,750 USD
Retailer 3$2,828 USD
Retailer 9$3,395 USD
Adiamor$3,478 USD

36 data points across 17 retailers

16 retailers$546 USD to $3,478 USD

A
Cheapest Retailer
-
$546 USD
Retailer 2
-
$611 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$677 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$742 USD
HK$5,800 HKD
View
A
Retailer 5
-
$810 USD
View
A
Retailer 6
-
$944 USD
£744 GBP
View
A
Retailer 7
-
$985 USD
€938 EUR
View
A
Retailer 8
-
$1,029 USD
View
B+
Retailer 9
-
$1,046 USD
View
B+
Retailer 10
-
$1,490 USD
View
Retailer 11
-
$1,780 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,140 USD
SGD 2,892 SGD
View
B+
Retailer 13
-
$2,750 USD
View
B+
Retailer 14
-
$2,828 USD
£2,227 GBP
View
Retailer 15
-
$3,395 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Adiamor
D-81144580 · Oct 31
$3,478 USD
View
15 more retailers have this diamond
Prices start from $546 USDSave up to $2,932 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.90ct Round
$546 USD