CaratHunter
Plans
Round|Lab Grown|IGI

5.19ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG627420175

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627420175

Diamond specifications and retailer prices

From $606 USD
As of October 29, 2026
Save $3,354 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,348 USD at Rare Carat · As of September 23, 2026
View at Rare Carat

About this 5.19ct lab-grown round diamond

This 5.19ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627420175 or 627420175. Listed at 17 retailers as of October 29, 2026, with a 553% 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

5.19
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627420175
Dimensions11.17 × 11.22 × 6.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
11.17 mm11.22 mm5.19 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627420175
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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: $3,060 USD|Low: $606 USD|High: $4,090 USD|Avg: $1,613 USD|-1.0%
Rare Carat
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
Retailer 16
October 31, 2026
Retailer 4$606 USD
Retailer 12$678 USD
Retailer 15$751 USD
Retailer 16$751 USD
Retailer 14$937 USD
Retailer 5$1,151 USD
Retailer 10$1,155 USD
Retailer 2$1,172 USD
Retailer 7$1,182 USD
Retailer 9$1,209 USD
Retailer 8$1,701 USD
Retailer 13$1,863 USD
Retailer 3$1,975 USD
Rare Carat$3,060 USD
Retailer 11$3,264 USD
Retailer 6$3,960 USD

39 data points across 16 retailers

17 retailers$606 USD to $3,960 USD

A
Cheapest Retailer
-
$606 USD
A
Retailer 2
-
$678 USD
View
Retailer 3
-
$751 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$751 USD
View
Retailer 5
-
$937 USD
£738 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,151 USD
View
B+
Retailer 7
-
$1,155 USD
View
A
Retailer 8
-
$1,172 USD
£922 GBP
View
A
Retailer 9
-
$1,182 USD
View
A
Retailer 10
-
$1,209 USD
€1,151 EUR
View
B+
Retailer 11
-
$1,701 USD
View
B+
Retailer 12
-
$1,863 USD
View
B+
Retailer 13
-
$1,975 USD
View
Retailer 14
-
$3,060 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$3,264 USD
£2,570 GBP
View
B
Retailer 16
-
$3,960 USD
View
Most Expensive
Rare Carat
LG-148175_l_702569939 · Sep 23
$4,348 USD
View
Price last confirmed 38 days ago
16 more retailers have this diamond
Prices start from $606 USDSave up to $3,354 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
5.19ct Round
$606 USD