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Round|Lab Grown|IGI

4.03ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG547235129

Shape and cutting style on the report: Round brilliant

Certificate IGI LG547235129

Diamond specifications and retailer prices

From $687 USD
As of October 29, 2026
Save $4,194 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,881 USD at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547235129 or 547235129. Listed at 18 retailers as of October 29, 2026, with prices from $687 to $4,881, a $4,194 spread on the same certified stone. Mervis Diamond Importers lists it at $4,881. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547235129
Dimensions10.27 × 10.21 × 6.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
10.27 mm10.21 mm4.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547235129
Side View
Table 57.5%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

Caratlytics Score

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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 29
Current: $4,881 USD|Low: $548 USD|High: $5,357 USD|Avg: $2,056 USD|-8.9%
Mervis Diamond Importers
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15$687 USD
Retailer 6$769 USD
Retailer 3$797 USD
Retailer 7$797 USD
Retailer 10$975 USD
Retailer 5$1,214 USD
Retailer 4$1,295 USD
Retailer 2$1,342 USD
Retailer 11$1,492 USD
Retailer 14$1,962 USD
Retailer 8$2,458 USD
Retailer 13$2,585 USD
Retailer 12$2,651 USD
Retailer 9$3,313 USD
Retailer 16$4,250 USD
Mervis Diamond Importers$4,881 USD

40 data points across 16 retailers

18 retailers$687 USD to $4,881 USD

A
Cheapest Retailer
-
$687 USD
A
Retailer 2
-
$747 USD
View
A
Retailer 3
-
$769 USD
View
Final sale: no returns
A
Retailer 4
-
$797 USD
View
Retailer 5
-
$797 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$975 USD
View
B+
Retailer 7
-
$1,214 USD
View
B+
Retailer 8
-
$1,295 USD
View
B+
Retailer 9
-
$1,342 USD
£1,057 GBP
View
B+
Retailer 10
-
$1,492 USD
View
B+
Retailer 11
-
$1,962 USD
View
B
Retailer 12
-
$2,458 USD
View
B
Retailer 13
-
$2,472 USD
View
Retailer 14
-
$2,585 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$2,651 USD
View
B
Retailer 16
-
$3,313 USD
£2,609 GBP
View
B
Retailer 17
-
$4,250 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409095 · Oct 29
$4,881 USD
View
17 more retailers have this diamond
Prices start from $687 USDSave up to $4,194 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
4.03ct Round
$687 USD