Round|Lab Grown|IGI

4.03ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG729548254

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729548254

Diamond specifications and retailer prices

From €401 EUR
$448 USD
As of October 29, 2026
Save €1,197 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,813 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.03ct lab-grown round diamond

This 4.03ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG729548254 or 729548254. Listed at 12 retailers as of October 29, 2026, with a 298% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.03
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729548254
Dimensions10.21 × 10.18 × 6.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm10.18 mm4.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729548254
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.3%

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 29
Current: €1,813 EUR|Low: €396 EUR|High: €1,839 EUR|Avg: €918 EUR|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7€401 EUR
Retailer 6€448 EUR
Retailer 12€448 EUR
Retailer 8€497 EUR
Retailer 4€510 EUR
Retailer 5€627 EUR
Retailer 3€676 EUR
Retailer 11€867 EUR
Retailer 10€1,279 EUR
Retailer 9€1,335 EUR
Retailer 2€1,598 EUR
Rare Carat€1,813 EUR

25 data points across 12 retailers

12 retailers€401 EUR to €1,598 EUR

A
Cheapest Retailer
-
€401 EUR
$448 USD
A
Retailer 2
-
€448 EUR
$501 USD
View
Final sale: no returns
A
Retailer 3
-
€448 EUR
$501 USD
View
A
Retailer 4
-
€497 EUR
$555 USD
View
Retailer 5
-
€510 EUR
$570 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€627 EUR
$700 USD
View
B+
Retailer 7
-
€676 EUR
$755 USD
View
A
Retailer 8
-
€867 EUR
$969 USD
View
B+
Retailer 9
-
€1,279 EUR
$1,429 USD
View
B+
Retailer 10
-
€1,335 EUR
$1,492 USD
View
B
Retailer 11
-
€1,598 EUR
$1,785 USD
View
Most Expensive
Rare Carat
ULGD-2663_l_729548254 · Oct 21
€1,813 EUR
$2,025 USD
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from €401 EURSave up to €1,197 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
4.03ct Round
€401 EUR