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Round|Lab Grown|IGI

4.30ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG567350660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG567350660

Diamond specifications and retailer prices

From $748 USD
As of October 29, 2026
Save $4,772 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,650 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown round diamond

This 4.3ct 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 LG567350660 or 567350660. Listed at 20 retailers as of October 29, 2026, with a 638% 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

4.30
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567350660
Dimensions10.34 × 10.41 × 6.42 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
10.34 mm10.41 mm4.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567350660
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°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 29
Current: $1,536 USD|Low: $748 USD|High: $7,070 USD|Avg: $2,065 USD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 13$748 USD
Retailer 11$814 USD
Retailer 2$868 USD
Retailer 15$1,146 USD
Retailer 7$1,217 USD
Retailer 4$1,430 USD
Retailer 5$1,448 USD
Retailer 9$1,467 USD
Retailer 1$1,536 USD
Retailer 10$2,053 USD
Retailer 3$2,138 USD
Retailer 14$2,694 USD
Retailer 6$3,600 USD
Retailer 12$3,612 USD
Retailer 8$5,520 USD

40 data points across 15 retailers

20 retailers$748 USD to $5,520 USD

A
Cheapest Retailer
-
$748 USD
A
Retailer 2
-
$814 USD
View
A
Retailer 3
-
$868 USD
View
A
Retailer 4
-
$950 USD
View
Final sale: no returns
Retailer 5
-
$1,146 USD
£903 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,217 USD
View
B+
Retailer 7
-
$1,242 USD
HK$9,700 HKD
View
B+
Retailer 8
-
$1,430 USD
View
B+
Retailer 9
-
$1,448 USD
View
B+
Retailer 10
-
$1,467 USD
£1,155 GBP
View
B+
Retailer 11
-
$1,491 USD
View
B+
Retailer 12
-
$1,536 USD
€1,463 EUR
View
B
Retailer 13
-
$2,053 USD
A$3,158 AUD
View
B
Retailer 14
-
$2,138 USD
View
B
Retailer 15
-
$2,460 USD
View
B
Retailer 16
-
$2,694 USD
View
B
Retailer 17
-
$3,600 USD
SGD 4,865 SGD
View
B
Retailer 18
-
$3,612 USD
£2,844 GBP
View
B
Retailer 19
-
$5,520 USD
View
Most Expensive
Do Amore Diamonds
27-DA0C85231 · Oct 31
$6,650 USD
View
Price under review
19 more retailers have this diamond
Prices start from $748 USDSave up to $4,772 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
4.30ct Round
$748 USD