Round|Lab Grown|IGI

2.71ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG516276588

Shape and cutting style on the report: Round brilliant

Certificate IGI LG516276588

Diamond specifications and retailer prices

From €286 EUR
$320 USD
As of October 31, 2026
Save €1,088 EUR (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,459 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 2.71ct lab-grown round diamond

This 2.71ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG516276588 or 516276588. Listed at 17 retailers as of October 31, 2026, with a 380% 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

2.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516276588
Dimensions8.85 × 8.90 × 5.53 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
8.85 mm8.90 mm2.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516276588
Side View
Table 57.5%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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 31
Current: €1,459 EUR|Low: €245 EUR|High: €1,490 EUR|Avg: €664 EUR|-2.1%
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
November 1, 2026
Retailer 12€245 EUR
Retailer 3€286 EUR
Retailer 10€317 EUR
Retailer 11€317 EUR
Retailer 6€478 EUR
Retailer 13€523 EUR
Retailer 8€524 EUR
Retailer 2€559 EUR
Retailer 4€661 EUR
Retailer 5€756 EUR
Retailer 9€975 EUR
Retailer 7€1,278 EUR
Rare Carat€1,459 EUR

44 data points across 13 retailers

17 retailers€286 EUR to €1,375 EUR

Retailer 1
-
€245 EUR
$274 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€286 EUR
$320 USD
View
Final sale: no returns
Retailer 3
-
€296 EUR
$331 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
€317 EUR
$354 USD
View
Retailer 5
-
€317 EUR
$354 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
€478 EUR
£421 GBP
View
B+
Retailer 7
-
€523 EUR
$584 USD
View
A
Retailer 8
-
€524 EUR
$585 USD
View
A
Retailer 9
-
€559 EUR
£492 GBP
View
A
Retailer 10
-
€661 EUR
$738 USD
View
A
Retailer 11
-
€756 EUR
$845 USD
View
B+
Retailer 12
-
€975 EUR
$1,089 USD
View
Retailer 13
-
€1,020 EUR
$1,139 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
€1,064 EUR
$1,188 USD
View
B+
Retailer 15
-
€1,278 EUR
£1,124 GBP
View
B
Retailer 16
-
€1,375 EUR
HK$12,000 HKD
View
Most Expensive
Rare Carat
516276588_l_516276588 · Oct 21
€1,459 EUR
$1,630 USD
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from €286 EURSave up to €1,088 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
2.71ct Round
€286 EUR