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Round|Lab Grown|IGI

0.71ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG515207111

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515207111

Diamond specifications and retailer prices

From $125 USD
As of October 29, 2026
Save $1,172 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,803 USD at Allurez · As of October 26, 2026
View at Allurez

About this 0.71ct lab-grown round diamond

This 0.71ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515207111 or 515207111. Listed at 13 retailers as of October 29, 2026, with a 937% 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

0.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515207111
Dimensions5.74 × 5.70 × 3.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
5.74 mm5.70 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515207111
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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: $3,803 USD|Low: $120 USD|High: $3,803 USD|Avg: $651 USD
Allurez
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 29, 2026
Retailer 11$125 USD
Retailer 16$139 USD
Retailer 14$144 USD
Retailer 3$282 USD
Retailer 15$297 USD
Retailer 2$300 USD
Retailer 5$321 USD
Retailer 7$339 USD
Retailer 6$473 USD
Retailer 13$496 USD
Retailer 12$510 USD
Retailer 10$524 USD
Retailer 8$608 USD
Retailer 4$673 USD
Retailer 9$1,297 USD
Allurez$3,803 USD

20 data points across 16 retailers

13 retailers$125 USD to $1,297 USD

A
Cheapest Retailer
-
$125 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
A
Retailer 4
-
$282 USD
HK$2,200 HKD
View
A
Retailer 5
-
$297 USD
View
A
Retailer 6
-
$300 USD
€286 EUR
View
B+
Retailer 7
-
$496 USD
View
B+
Retailer 8
-
$510 USD
View
B+
Retailer 9
-
$524 USD
View
B
Retailer 10
-
$608 USD
£479 GBP
View
B
Retailer 11
-
$673 USD
SGD 910 SGD
View
B
Retailer 12
-
$1,297 USD
£1,021 GBP
View
Most Expensive
B
Allurez
5432261 · Oct 26
$3,803 USD
View
Price under review
12 more retailers have this diamond
Prices start from $125 USDSave up to $1,172 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
0.71ct Round
$125 USD