Round|Lab Grown|IGI

1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG442038198

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442038198

Diamond specifications and retailer prices

From €265 EUR
$296 USD
As of November 1, 2026
Save €1,188 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,354 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442038198 or 442038198. Listed at 15 retailers as of November 1, 2026, with a 448% 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

1.57
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442038198
Dimensions7.57 × 7.51 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.57 mm7.51 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442038198
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €2,354 EUR|Low: €166 EUR|High: €2,354 EUR|Avg: €730 EUR
Do Amore Diamonds
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
November 1, 2026
Retailer 6€166 EUR
Retailer 9€265 EUR
Retailer 12€328 EUR
Retailer 13€328 EUR
Retailer 10€357 EUR
Retailer 11€470 EUR
Retailer 14€539 EUR
Retailer 7€647 EUR
Retailer 4€754 EUR
Retailer 8€1,009 EUR
Retailer 5€1,181 EUR
Retailer 3€1,310 EUR
Retailer 2€1,453 EUR
Do Amore Diamonds€2,354 EUR

29 data points across 14 retailers

15 retailers€265 EUR to €1,453 EUR

Retailer 1
-
€241 EUR
$269 USD
Price last confirmed 26 days ago
Retailer 2
-
€257 EUR
$287 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
€265 EUR
$296 USD
View
A
Retailer 4
-
€328 EUR
$367 USD
View
A
Retailer 5
-
€328 EUR
$367 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€357 EUR
$399 USD
View
B+
Retailer 7
-
€470 EUR
$525 USD
View
B+
Retailer 8
-
€539 EUR
$602 USD
View
B+
Retailer 9
-
€647 EUR
£569 GBP
View
B
Retailer 10
-
€754 EUR
$843 USD
View
B
Retailer 11
-
€1,009 EUR
$1,127 USD
View
B
Retailer 12
-
€1,181 EUR
$1,319 USD
View
B
Retailer 13
-
€1,310 EUR
$1,463 USD
View
B
Retailer 14
-
€1,453 EUR
£1,278 GBP
View
Most Expensive
Do Amore Diamonds
27-E64C8D2CC · Nov 1
€2,354 EUR
$2,630 USD
View
Price under review
14 more retailers have this diamond
Prices start from €265 EURSave up to €1,188 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
€265 EUR