CaratHunter
Plans
Round|Lab Grown|IGI

1.57ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436046616

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046616

Diamond specifications and retailer prices

From €779 EUR
$870 USD
As of October 31, 2026
Save €3,503 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,282 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046616 or 436046616. Listed at 10 retailers as of October 31, 2026, with prices from €779 to €4,282, a €3,503 spread on the same certified stone. MOH London lists it at €4,282. 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

1.57
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046616
Dimensions7.40 × 7.37 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.40 mm7.37 mm1.57 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046616
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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: €4,282 EUR|Low: €779 EUR|High: €4,340 EUR|Avg: €1,954 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2€779 EUR
Retailer 5€1,149 EUR
Retailer 8€1,250 EUR
Retailer 10€1,285 EUR
Retailer 6€1,333 EUR
Retailer 3€1,552 EUR
Retailer 12€1,842 EUR
Retailer 7€2,110 EUR
Retailer 11€2,485 EUR
Retailer 9€2,498 EUR
Retailer 4€2,984 EUR
MOH London€4,282 EUR

18 data points across 12 retailers

10 retailers€779 EUR to €4,282 EUR

A
Cheapest Retailer
-
€779 EUR
$870 USD
A
Retailer 2
-
€1,149 EUR
$1,284 USD
View
B+
Retailer 3
-
€1,250 EUR
$1,397 USD
View
B+
Retailer 4
-
€1,285 EUR
$1,436 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,333 EUR
$1,489 USD
View
Retailer 6
-
€1,333 EUR
$1,489 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
€2,110 EUR
$2,357 USD
View
B
Retailer 8
-
€2,485 EUR
$2,776 USD
View
B
Retailer 9
-
€2,498 EUR
$2,791 USD
View
Most Expensive
B
MOH London
LG436046616 · Nov 1
€4,282 EUR
£3,767 GBP
View
9 more retailers have this diamond
Prices start from €779 EURSave up to €3,503 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
1.57ct Round
€779 EUR